BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
755 PM CDT FRI JUN 26 2009
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
* TORNADO WARNING FOR...
WEST CENTRAL BURLEIGH COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
CENTRAL MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
* UNTIL 830 PM CDT
* AT 754 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 9 MILES SOUTHEAST OF JUDSON...OR 16 MILES WEST OF
BISMARCK...AND MOVING EAST AT 25 MPH.
* THIS TORNADIC STORM WILL BE NEAR...
MANDAN AROUND 820 PM CDT.
BISMARCK AROUND 830 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY FROM THE
STORM CENTER.
Severe Weather June 21 - 28
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BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
808 PM CDT FRI JUN 26 2009
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BURLEIGH COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EMMONS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EASTERN GRANT COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
WESTERN KIDDER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SOUTHERN MCHENRY COUNTY IN NORTH CENTRAL NORTH DAKOTA...
EASTERN MCLEAN COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EXTREME EAST CENTRAL MERCER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EASTERN MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EASTERN OLIVER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SOUTHWESTERN PIERCE COUNTY IN NORTH CENTRAL NORTH DAKOTA...
SHERIDAN COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SIOUX COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SOUTHEASTERN WARD COUNTY IN NORTH CENTRAL NORTH DAKOTA...
WESTERN WELLS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
* UNTIL 900 PM CDT/800 PM MDT/
* AT 807 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES EAST OF RUSO TO 8
MILES SOUTH OF FORT YATES...OR ALONG A LINE EXTENDING FROM 36 MILES
SOUTHEAST OF MINOT TO 58 MILES SOUTH OF BISMARCK...AND MOVING EAST
AT 25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
CANNON BALL AROUND 815 PM CDT.
KARLSRUHE AND FORT RICE AROUND 820 PM CDT.
REGAN AND MENOKEN AROUND 825 PM CDT.
BALFOUR AROUND 830 PM CDT.
KIEF AROUND 835 PM CDT.
MCKENZIE AND MCCLUSKY AROUND 840 PM CDT.
DRAKE...MOFFIT AND HAZELTON AROUND 850 PM CDT.
WING...STERLING AND DENHOFF AROUND 855 PM CDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE NEW
JOHNS LAKE...BUTTE...KRUEGER LAKE...TEMVIK...SHEYENNE LAKE AND HULL.
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
808 PM CDT FRI JUN 26 2009
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BURLEIGH COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EMMONS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EASTERN GRANT COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
WESTERN KIDDER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SOUTHERN MCHENRY COUNTY IN NORTH CENTRAL NORTH DAKOTA...
EASTERN MCLEAN COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EXTREME EAST CENTRAL MERCER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EASTERN MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
EASTERN OLIVER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SOUTHWESTERN PIERCE COUNTY IN NORTH CENTRAL NORTH DAKOTA...
SHERIDAN COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SIOUX COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
SOUTHEASTERN WARD COUNTY IN NORTH CENTRAL NORTH DAKOTA...
WESTERN WELLS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
* UNTIL 900 PM CDT/800 PM MDT/
* AT 807 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES EAST OF RUSO TO 8
MILES SOUTH OF FORT YATES...OR ALONG A LINE EXTENDING FROM 36 MILES
SOUTHEAST OF MINOT TO 58 MILES SOUTH OF BISMARCK...AND MOVING EAST
AT 25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
CANNON BALL AROUND 815 PM CDT.
KARLSRUHE AND FORT RICE AROUND 820 PM CDT.
REGAN AND MENOKEN AROUND 825 PM CDT.
BALFOUR AROUND 830 PM CDT.
KIEF AROUND 835 PM CDT.
MCKENZIE AND MCCLUSKY AROUND 840 PM CDT.
DRAKE...MOFFIT AND HAZELTON AROUND 850 PM CDT.
WING...STERLING AND DENHOFF AROUND 855 PM CDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE NEW
JOHNS LAKE...BUTTE...KRUEGER LAKE...TEMVIK...SHEYENNE LAKE AND HULL.
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URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 521...RESENT
NWS STORM PREDICTION CENTER NORMAN OK
625 PM CDT FRI JUN 26 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
LARGE PART OF CENTRAL AND EASTERN SOUTH DAKOTA
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 625 PM
UNTIL 200 AM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES SOUTHWEST OF
CHAMBERLAIN SOUTH DAKOTA TO 40 MILES NORTH NORTHWEST OF ABERDEEN
SOUTH DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 517...WW 518...WW
519...WW 520...
DISCUSSION...A VERY MOIST/UNSTABLE AIR MASS CONTINUES TO MOVE NWD
THRU WATCH AREA AHEAD OF THE APPROACHING SEVERE THUNDERSTORMS TO THE
W. MODEL FORECASTS ALL SUPPORT STRONG VEERING SHEAR PROFILES THRU
THE EVENING...WHICH SHOULD ENHANCE DEVELOPMENT OF SUPERCELLS
INCLUDING TORNADOES AND VERY LARGE HAIL. ACTIVITY WILL MOVE
PROPAGATE NEWD ACROSS CENTRAL IN ERN SD DURING THE EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24025.
...HALES
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
High Moderate
TORNADO WATCH NUMBER 521...RESENT
NWS STORM PREDICTION CENTER NORMAN OK
625 PM CDT FRI JUN 26 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
LARGE PART OF CENTRAL AND EASTERN SOUTH DAKOTA
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 625 PM
UNTIL 200 AM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES SOUTHWEST OF
CHAMBERLAIN SOUTH DAKOTA TO 40 MILES NORTH NORTHWEST OF ABERDEEN
SOUTH DAKOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 517...WW 518...WW
519...WW 520...
DISCUSSION...A VERY MOIST/UNSTABLE AIR MASS CONTINUES TO MOVE NWD
THRU WATCH AREA AHEAD OF THE APPROACHING SEVERE THUNDERSTORMS TO THE
W. MODEL FORECASTS ALL SUPPORT STRONG VEERING SHEAR PROFILES THRU
THE EVENING...WHICH SHOULD ENHANCE DEVELOPMENT OF SUPERCELLS
INCLUDING TORNADOES AND VERY LARGE HAIL. ACTIVITY WILL MOVE
PROPAGATE NEWD ACROSS CENTRAL IN ERN SD DURING THE EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24025.
...HALES
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
High Moderate
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- Dave
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BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
816 PM CDT FRI JUN 26 2009
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
THIS INCLUDES THE CITY OF NORTH PLATTE...
* UNTIL 845 PM CDT
* AT 811 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
HERSHEY...OR 11 MILES WEST OF NORTH PLATTE...MOVING NORTHEAST AT 55
MPH.
* THE TORNADO WILL BE NEAR...
NORTH PLATTE BY 820 PM CDT...
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
816 PM CDT FRI JUN 26 2009
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
THIS INCLUDES THE CITY OF NORTH PLATTE...
* UNTIL 845 PM CDT
* AT 811 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
HERSHEY...OR 11 MILES WEST OF NORTH PLATTE...MOVING NORTHEAST AT 55
MPH.
* THE TORNADO WILL BE NEAR...
NORTH PLATTE BY 820 PM CDT...
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- Dave
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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 525
NWS STORM PREDICTION CENTER NORMAN OK
140 PM CDT SAT JUN 27 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN MINNESOTA
MUCH OF NORTH DAKOTA
NORTHERN SOUTH DAKOTA
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 140 PM UNTIL
900 PM CDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 110
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES NORTH OF
DICKINSON NORTH DAKOTA TO 25 MILES NORTH OF DETROIT LAKES
MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
DISCUSSION...CLUSTERS OF STRONG/SEVERE THUNDERSTORMS ARE INCREASING
IN COVERAGE ACROSS ND IN VICINITY OF UPPER VORT MAX. COOL
TEMPERATURES ALOFT AND STEEP LAPSE RATES WILL PROMOTE THE THREAT OF
HAIL IN STRONGER STORMS...ALONG WITH GUSTY/DAMAGING WINDS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 24035.
...HART
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low
Last edited by Dave on Sat Jun 27, 2009 4:16 pm, edited 1 time in total.
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- Dave
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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 526
NWS STORM PREDICTION CENTER NORMAN OK
315 PM EDT SAT JUN 27 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN GEORGIA
SOUTHERN NORTH CAROLINA
MUCH OF SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 315 PM UNTIL
1100 PM EDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH
NORTHWEST OF ATLANTA GEORGIA TO 15 MILES SOUTH SOUTHEAST OF
JACKSONVILLE NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 525...
DISCUSSION...ISOLATED THUNDERSTORMS ARE BEGINNING TO INTENSIFY
ACROSS PARTS OF THE CAROLINAS AND NORTH GA...IN AXIS OF VERY
HOT/HUMID AND UNSTABLE AIRMASS. COVERAGE OF STORMS SHOULD CONTINUE
TO INCREASE THROUGH THE AFTERNOON AND EVENING WITH A RISK OF LOCALLY
SEVERE STORMS. DOWNBURST WINDS ARE THE MAIN THREAT...ALTHOUGH
STRONGER CORES COULD ALSO PRODUCE HAIL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 31030.
...HART
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low
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- Dave
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- Joined: Tue Aug 01, 2006 3:57 pm
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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 527
NWS STORM PREDICTION CENTER NORMAN OK
240 PM CDT SAT JUN 27 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN IOWA
NORTHERN ILLINOIS
EXTREME NORTHEASTERN MISSOURI
SOUTHERN WISCONSIN
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 240 PM UNTIL
1000 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES EAST
SOUTHEAST OF ROCKFORD ILLINOIS TO 55 MILES SOUTHWEST OF CEDAR
RAPIDS IOWA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 525...WW 526...
DISCUSSION...STORMS ARE EXPECTED TO INCREASE IN NUMBER AND INTENSITY
AS UPPER JET AND COLD FRONT SPREAD IN FROM THE WEST. AIR MASS OVER
IOWA HAS BECOME STRONGLY UNSTABLE AS TEMPERATURES HAVE WARMED INTO
THE LOWER 90S...WITH DEWPOINTS IN THE MID 70S. THIS AIR MASS WILL
SPREAD EWD INTO NRN IL AND SRN WI THROUGH THE AFTERNOON. THE DEGREE
OF INSTABILITY AND DEEP LAYER SHEAR INCREASING TO 30 TO 40 KT SHOULD
SUPPORT STORMS WITH SOME MID LEVEL ROTATION AND HAIL. ALSO...THE
STORMS MAY CONSOLIDATE INTO A LINE ALONG THE FRONT...AND GIVEN THE
UNIDIRECTIONAL WLY WINDS ABOVE THE BOUNDARY LAYER...DAMAGING WINDS
WOULD ALSO BE EXPECTED.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27025.
...IMY
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low
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- Dave
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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 528
NWS STORM PREDICTION CENTER NORMAN OK
440 PM CDT SAT JUN 27 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PARTS OF SOUTHEAST KANSAS
PARTS OF NORTH AND WEST OKLAHOMA
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 440 PM UNTIL
1000 PM CDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH
SOUTHWEST OF GAGE OKLAHOMA TO 20 MILES EAST NORTHEAST OF CHANUTE
KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 525...WW 526...WW 527...
DISCUSSION...WEAK FRONTAL ZONE STRETCHES FROM ERN KS SWWD INTO TX
PANHANDLE. ALONG AND AHEAD OF FRONT THE AIR MASS IS HOT WITH
CONSIDERABLE INSTABILITY PARTICULARLY ERN PORTION OF WATCH. PULSE
TYPE THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY VICINITY
FRONTAL CONVERGENCE. HIGH BASES WITH DCAPES IN EXCESS OF 1500
J/KG...SUPPORTS POTENTIAL FOR DAMAGING DOWNBURST WINDS WITH ANY
STRONG UPDRAFT THAT DEVELOPS. STORM MOTION WILL BE SLOW WITH THE
VERY WARM AIRMASS LIMITING THE HAIL SIZE TO GENERALLY LESS THAN 2
INCHES IN MOST INTENSE STORMS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 2705.
...HALES
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- Dave
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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 529
NWS STORM PREDICTION CENTER NORMAN OK
555 PM CDT SAT JUN 27 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PARTS OF WEST CENTRAL ILLINOIS
SMALL PART OF EAST KANSAS
PARTS OF NORTHERN AND CENTRAL MISSOURI
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 555 PM UNTIL
1100 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES SOUTH
SOUTHWEST OF OLATHE KANSAS TO 30 MILES EAST OF QUINCY ILLINOIS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 525...WW 526...WW
527...WW 528...
DISCUSSION...SCATTERED THUNDERSTORMS EXPECTED TO DEVELOP ALONG AND
JUST AHEAD OF A WEAK FRONTAL BAND ACROSS NRN MO INTO ERN KS. AIR
MASS IS VERY UNSTABLE WITH MLCAPES AOA 3000 J/KG. ADDITIONALLY
DCAPES UPWARDS TO 1500 J/KG FAVOR DAMAGING DOWNBURST WINDS WITH ANY
STRONG UPDRAFT. LACK OF FAVORABLE DEEP LAYER SHEAR SHOULD SUPPORT
PRIMARILY PULSE TYPE DEVELOPMENT. INTENSITIES SHOULD DIMINISH AFTER
SUNSET.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27020.
...HALES
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