Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 27, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 5, 2003, 3:11 AM CDT for Green County, Wisconsin. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2003, 3:11 AM CDT (08:11 UTC)
- Expired
- Jul 5, 2003, 4:00 AM CDT
- In force
- 49 min
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
County Green County, WI
The radar
The Milwaukee radar (KMKX), 95 km from the middle of the area, began a volume at 08:13 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 4, 11:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 8.2 hours before the alert went out and 137 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 135 J/kg
- Mixed-layer CIN
- -351 J/kg
- Mixed-layer LCL
- 2353 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
550 WUUS53 KMKX 050811 SVRMKX WIC045-050900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 310 AM CDT SAT JUL 5 2003 THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GREEN COUNTY IN SOUTH CENTRAL WISCONSIN * UNTIL 400 AM CDT * AT 310 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR BROWNTOWN...OR ABOUT 8 MILES WEST OF MONROE...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MONROE AT 320 AM CDT. MONTICELLO AT 330 AM CDT. ALBANY AT 335 AM CDT. IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...AND DEADLY LIGHTNING. SEEK SHELTER IMMEDIATELY LAT...LON 4268 8983 4251 8983 4271 8938 4284 8940 $$ GEHRING
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 2:42 AM CDT, 29 minutes earlier.
Area forecast discussion, Jul 5, 2:42 AM CDT, 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 242 AM CDT SAT JUL 5 2003 FORECAST FOCUS ON SHOWERS AND THUNDERSTORMS TODAY THROUGH MONDAY. AMS XPCTD TO RMN VRY WRM...MOIST...AND UNSTBL INTO TUESDAY. ALL MODELS XPCT PERIODIC S/WV TO TRANSIT THE RGN. NO SIGN OF CAP... CAPES RMN HIGH AND LI/S LOW WITH MODERATE MSTR CONV AT TIMES. WL CONT CHCS OF TSTMS THROUGH TUESDAY. TRENDING TWRD WRMR NGM AND ETA MOS TEMPS. .MKX...NONE. MK
Hazardous weather outlook, Jul 4, 8:30 PM CDT, 6 hours 41 minutes before
WIZ046-047-051-052-056>060-062>072-051000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 830 PM CDT FRI JUL 4 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN. .DAY ONE...TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AFTER MIDNIGHT. DAMAGING THUNDERSTORMS WINDS AND LARGE HAIL ARE POSSIBLE. A UPPER LEVEL DISTURBANCE OVER SOUTH DAKOTA WILL MOVE EAST INTERACTING WITH THE MOIST AND UNSTABLE AIR MASS ACROSS THE UPPER MIDWEST TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATER SATURDAY NIGHT AND SUNDAY. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE. A SECOND UPPER LEVEL DISTURBANCE WILL MOVE EAST FROM THE NORTHERN PLAINS SATURDAY AND INTO THE MOIST AND UNSTABLE AIR MASS ACROSS THE WESTERN GREAT LAKES LATER SATURDAY NIGHT AND SUNDAY. A CHANCE OF SEVERE STORMS WILL PERSIST INTO NEXT WEEK...WITH THE BEST CHANCE FOR SEVERE STORMS TUESDAY AND TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER GROUPS MAY BE NEEDED AFTER MIDNIGHT AND AGAIN SATURDAY NIGHT AND SUNDAY. EISE
In the hours before
Special weather statement, Jul 5, 1:00 AM CDT, 2 hours 11 minutes before
WIZ046-047-051-052-056>060-062>072-050620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 100 AM CDT SAT JUL 5 2003 ...SEVERE THUNDERSTORM WATCH NUMBER 641 REMAINS IN EFFECT UNTIL 6 AM FOR FOR PORTIONS OF SOUTHERN WISCONSIN... AT 1 AM...DOPPLER WEATHER RADAR SHOWED THE LEADING EDGE OF SHOWERS AND THUNDERSTORMS EXTENDED FROM LA VALLE IN SAUK COUNTY TO BARNEVELD IN IOWA COUNTY TO THE CITY OF DUBUQUE. THIS PRECIPITATION WAS MOVING EAST AT ABOUT 45 MPH...AND BY 2 AM SHOULD REACH A PORTAGE TO MADISON TO MONROE LINE. THE STRONGEST STORMS WERE FOUND IN THE STATE OF IOWA...FROM SOUTH OF MASON CITY OVER TO SOUTH OF DUBUQUE. THESE STORMS WERE MOVING EAST NORTHEAST AT 45 MPH...AND WILL AFFECT PARTS OF SOUTH-CENTRAL WISCONSIN BETWEEN 130 AND 400 AM. LOCATIONS SOUTH OF A LONE ROCK TO MADISON LINE WILL HAVE THE BEST CHANCES OF EXPERIENCING THESE STRONGER STORMS. KAPELA
Special weather statement, Jul 5, 1:25 AM CDT, 1 hour 46 minutes before
WIZ046-047-051-052-056>060-062>072-050650- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 125 AM CDT SAT JUL 5 2003 ...SEVERE THUNDERSTORM WATCH NUMBER 641 REMAINS IN EFFECT UNTIL 6 AM FOR FOR PORTIONS OF SOUTHERN WISCONSIN... AT 1 AM...DOPPLER WEATHER RADAR SHOWED THE LEADING EDGE OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM WISCONSIN DELLS TO MOUNT HOREB TO DARLINGTON. THIS PRECIPITATION WAS MOVING EAST AT ABOUT 45 MPH...AND BY 2 AM SHOULD REACH A BERLIN TO COLUMBUS TO EVANSVILLE LINE. THE STRONGEST STORMS WERE FOUND IN THE STATE OF IOWA...FROM SOUTHEAST OF MASON CITY OVER TO SOUTH OF DUBUQUE. THESE STORMS WERE MOVING EAST NORTHEAST AT 45 MPH...AND WILL AFFECT PARTS OF SOUTH-CENTRAL WISCONSIN BETWEEN 2 AND 4 AM. LOCATIONS SOUTH OF A LONE ROCK TO MADISON LINE WILL HAVE THE BEST CHANCES OF EXPERIENCING THESE STRONGER STORMS WHICH WILL HAVE GUSTY WINDS TO AT LEAST 40 MPH AND SOME SMALL HAIL. KAPELA
Special weather statement, Jul 5, 1:53 AM CDT, 1 hour 18 minutes before
WIZ046-047-051-052-056>060-062>072-050715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 153 AM CDT SAT JUL 5 2003 ...SEVERE THUNDERSTORM WATCH NUMBER 641 REMAINS IN EFFECT UNTIL 6 AM FOR FOR PORTIONS OF SOUTHERN WISCONSIN... AT 150 AM...DOPPLER WEATHER RADAR SHOWED THE LEADING EDGE OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM MONTELLO TO SAUK CITY TO DARLINGTON. THIS PRECIPITATION WAS MOVING EAST AT ABOUT 45 MPH...AND BY 215 AM SHOULD REACH A BERLIN TO MADISON TO MONROE LINE. THE STRONGEST STORMS WERE FOUND IN THE STATE OF IOWA...IN AN AREA 20 MILES WEST OF DUBUQUE...AS WELL AS IN A LINE FROM JUST SOUTH OF DUBUQUE OVER TO NEAR FREEPORT ILLINOIS. THESE STORMS WERE MOVING EAST NORTHEAST AT 45 MPH...AND WILL AFFECT PARTS OF SOUTH-CENTRAL WISCONSIN BETWEEN 230 AND 4 AM. THESE STRONGER STORMS WILL AFFECT AREAS SOUTH OF A DODGEVILLE TO MADISON LINE. KAPELA
Special weather statement, Jul 5, 2:17 AM CDT, 54 minutes before
WIZ046-047-051-052-056>060-062>072-050745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 217 AM CDT SAT JUL 5 2003 ...SEVERE THUNDERSTORM WATCH NUMBER 641 REMAINS IN EFFECT UNTIL 6 AM FOR FOR PORTIONS OF SOUTHERN WISCONSIN... AT 215 AM...DOPPLER WEATHER RADAR SHOWED THE LEADING EDGE OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM BERLIN TO PORTAGE TO MADISON TO MONROE. THIS PRECIPITATION WAS MOVING EAST AT ABOUT 45 MPH...AND BY 245 AM SHOULD REACH A FOND DU LAC TO HORICON TO LAKE MILLS TO BELOIT LINE. THE STRONGEST STORMS WERE FOUND ALONG THE MISSISSIPPI RIVER FROM PRAIRIE DU CHIEN TO DUBUQUE...AND IN EXTREME SOUTHERN LAFAYETTE COUNTY. THESE STORMS WILL HAVE AT LEAST 40 MPH WINDS AND SMALL HAIL..ALONG WITH BRIEF HEAVY RAINS...AND WILL MOST LIKELY AFFECT THOSE LOCATIONS SOUTH OF A LONE ROCK TO MADISON LINE. KAPELA
Special weather statement, Jul 5, 2:45 AM CDT, 26 minutes before
WIZ046-047-051-052-056>060-062>072-050805- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 245 AM CDT SAT JUL 5 2003 ...SEVERE THUNDERSTORM WATCH NUMBER 641 REMAINS IN EFFECT UNTIL 6 AM FOR FOR PORTIONS OF SOUTHERN WISCONSIN... AT 245 AM...DOPPLER WEATHER RADAR SHOWED THE LEADING EDGE OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM BERLIN TO PORTAGE TO MOUNT HOREB TO NEW GLARUS TO BRODHEAD. THIS PRECIPITATION WAS MOVING EAST AT ABOUT 45 MPH...AND BY 315 AM SHOULD REACH A FOND DU LAC TO HORICON TO COLUMBUS TO STOUGHTON TO DELAVAN LINE. THE STRONGEST STORMS WERE FOUND IN A LINE FROM LANCASTER IN GRANT COUNTY TO DARLINGTON TO NEAR BRODHEAD. GUSTY WINDS TO 40 TO 50 MPH...HAIL UP TO 1/2 INCH IN DIAMETER...AND BRIEF HEAVY RAINS OF 1/2 INCH IN 30 MINUTES ARE POSSIBLE WITH THESE STRONGER STORMS. THESE STRONG STORMS SHOULD STRETCH FROM DODGEVILLE TO JANESVILLE BY 3 AM. KAPELA
Special weather statement, Jul 5, 3:08 AM CDT, 3 minutes before
WIZ046-047-051-052-056>060-062>072-050830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 308 AM CDT SAT JUL 5 2003 ...SEVERE THUNDERSTORM WATCH NUMBER 641 REMAINS IN EFFECT UNTIL 6 AM FOR FOR PORTIONS OF SOUTHERN WISCONSIN... AT 305 AM...DOPPLER WEATHER RADAR SHOWED THE LEADING EDGE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM RIPON TO BEAVER DAM TO STOUGHTON TO JANESVILLE. THIS PRECIPITATION WAS MOVING EAST AT ABOUT 45 MPH...AND BY 330 AM SHOULD REACH A FOND DU LAC TO WATERTOWN TO FORT ATKINSON TO LAKE GENEVA LINE. THE STRONGEST STORMS WERE FOUND IN A LINE FROM DODGEVILLE TO NEW GLARUS TO JANESVILLE. GUSTY WINDS TO 40 TO 50 MPH...HAIL UP TO 1/2 INCH IN DIAMETER...AND BRIEF HEAVY RAINS OF 1/2 INCH IN 30 MINUTES ARE POSSIBLE WITH THESE STRONGER STORMS. THESE STRONG STORMS SHOULD STRETCH FROM LONE ROCK TO A MADISON TO WHITEWATER TO EAST TROY LINE BY 330 AM. OTHER STRONG STORMS WILL ALSO TRACK EAST ACROSS LAFAYETTE COUNTY INTO GREEN COUNTY THROUGH 330 AM. KAPELA
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.