Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 35, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 7, 1991, 3:45 PM CDT for Racine County, Wisconsin. It was in force for 40 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 7, 1991, 3:45 PM CDT (20:45 UTC)
- Expired
- Jul 7, 1991, 4:25 PM CDT
- In force
- 40 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Racine County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 7, 4:05 PM CDT | Hail 1 | Racine, WI | |
| Jul 7, 4:10 PM CDT | Thunderstorm Wind 0 | Racine, WI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.8 hours before the alert went out and 196 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1805 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -67 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Jul 7, 10:22 AM CDT, 5 hours 23 minutes before
WIZ010>020-071800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1015 AM CDT SUN JUL 7 1991 ...SEVERE WEATHER OUTLOOK FOR WISCONSIN... THUNDERSTORMS ARE FORECAST FOR ALL OF WISCONSIN THIS AFTERNOON AND EARLY TONIGHT. SEVERE THUNDERSTORMS WITH LARGE HAIL...STRONG WINDS AND HEAVY RAINS WILL BE POSSIBLE MAINLY OVER SOUTHERN PORTIONS OF WISCONSIN BEGINNING THIS AFTERNOON AND CONTINUING INTO EARLY TONIGHT. THIS IS A PRELIMINARY ADVISORY...PLEASE LISTEN FOR LATER STATEMENTS AND FORECASTS. TZ
Special weather statement, Jul 7, 1:24 PM CDT, 2 hours 21 minutes before
WIZ010-011-014-015-018-019-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 125PM CDT SUN JUL 7 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 800PM CDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTH..CENTRAL WISCONSIN. IT INCLUDES THE FOLLOWING COUNTIES...ADAMS...WAUSHARA... GREEN LAKE...JUNEAU...MARQUETTE...COLUMBIA...DANE...SAUK...RICHLAND... IOWA...GREEN...AND ROCK. THIS INCLUDES THE FOLLOWING CITIES...DODGEVILLE...RICHLAND CENTER... BARABOO...MAUSTON...ADAMS...MONTELLO...WAUTOMA...MARKESAN...WISCONSIN DELLS...PORTAGE...MADISON...MONROE...AND JANESVILLE. SOME OF THE STORMS APPROACHING IN THIS SYSTEM HAVE HAD DAMAGING GUSTY WINDS...HAIL AND HEAVY RAINS. IF SEVERE APPROACHES YOU SEEK IMMEDIATE SHELTER. STIMACH
Special weather statement, Jul 7, 1:35 PM CDT, 2 hours 10 minutes before
WIZ012-013-016-017-019-020-072000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 135 PM CDT SUN JUL 7 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL 800 PM... SHOWERS AND THUNDERSTORMS HAVE MOVED INTO THE LACROSSE AREA...AND ARE MOVING EAST AT 40 MILES AN HOUR. AT 130 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THE STRONGEST THUNDERSTORM NEAR LACROSSE. OTHER THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER NORTHEAST IOWA. CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS PRODUCING WIND GUSTS IN EXCESS OF 60 MILES AN HOUR...HAIL AND HEAVY RAIN OVER ALL OF SOUTHERN WISCONSIN THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO MOVE INTO SOUTH.EAST WISCONSIN AFTER 300 PM. STAY TUNED TO THE LATEST WEATHER INFORMATION BY LISTENING TO NATIONAL WEATHER SERVICE RADIO OR COMMERCIAL RADIO OR TELEVISION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. J LAST
Special weather statement, Jul 7, 2:13 PM CDT, 1 hour 32 minutes before
WIZ012-013-016-017-019-020-072030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 215 PM CDT SUN JUL 7 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL 800 PM... THUNDERSTORMS CONTINUE TO RAPIDLY DEVELOP OVER SOUTHWEST AND SOUTH-CENTRAL WISCONSIN. AT 210 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS ABOUT 30 MILES WEST OF MADISON. THE STORMS ARE MOVING EAST AT 40 MILES AN HOUR. CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS PRODUCING WIND GUSTS IN EXCESS OF 60 MILES AN HOUR...HAIL AND HEAVY RAIN OVER ALL OF SOUTHERN WISCONSIN THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO MOVE INTO DODGE...JEFFERSON AND DODGE COUNTIES BETWEEN 300 AND 400 PM...AND INTO THE MILWAUKEE AREA BETWEEN ABOUT 400 AND 500 PM. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO...OR COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION ON THE DANGEROUS WEATHER SITUATION. J LASTT
Special weather statement, Jul 7, 2:20 PM CDT, 1 hour 25 minutes before
WIZ012-013-016-017-019-020-072030- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 215 PM CDT SUN JUL 7 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL 800 PM... THUNDERSTORMS CONTINUE TO RAPIDLY DEVELOP OVER SOUTHWEST AND SOUTH-CENTRAL WISCONSIN. AT 210 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS ABOUT 30 MILES WEST OF MADISON. THE STORMS ARE MOVING EAST AT 40 MILES AN HOUR. CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS PRODUCING WIND GUSTS IN EXCESS OF 60 MILES AN HOUR...HAIL AND HEAVY RAIN OVER ALL OF SOUTHERN WISCONSIN THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO MOVE INTO DODGE...JEFFERSON AND WALWORTH COUNTIES BETWEEN 300 AND 400 PM...AND INTO THE MILWAUKEE AREA BETWEEN ABOUT 400 AND 500 PM. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO...OR COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION ON THE DANGEROUS WEATHERZ SITUATION. J LAST
Special weather statement, Jul 7, 2:46 PM CDT, 59 minutes before
WIZ010-072030- WISCONSIN AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH 6523 NATIONAL WEATHER SERVICE MILWAUKEE WI 245 PM CDT SUN JUL 7 1991 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR WEST/CENTRAL WISCONSIN... THE SEVERE THUNDERSTORM WATCH THAT HAD BEEN IN EFFECT FOR A SMALL PORTION OF WEST/CENTRAL WISCONSIN UNTIL 4 PM THIS AFTERNOON HAS NOW BEEN CANCELLED. THIS WATCH INCLUDED THE COUNTIES OF BUFFALO... LA CROSSE AND TREMPEALEAU OF WEST/CENTRAL WISCONSIN. THE SEVERE WEATHER THREAT HAS MOVED EAST OF THESE COUNTIES...BUT SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE AFTERNOON. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR MONROE...JACKSON AND VERNON COUNTIES OF WEST/CENTRAL WISCONSIN UNTIL 8 PM. KAVINSKY
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:20 AM CDT | Severe Thunderstorm Warning | MKX | Marathon | 40 min |
| Jul 7, 3:00 PM CDT | Tornado Warning | MKX | Dodge, Jefferson | 60 min |
| Jul 7, 3:38 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee | 52 min |
| Jul 7, 3:38 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Washington, Waukesha | 47 min |
| Jul 7, 3:46 PM CDT | Tornado Warning | MKX | Walworth | 29 min |
| Jul 7, 4:09 PM CDT | Severe Thunderstorm Warning | MKX | Sheboygan | 51 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1991Every severe thunderstorm warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.