Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 30, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 4, 1990, 6:16 PM CDT for Grant County, Lafayette County, Wisconsin. It was in force for 59 min. 1 report 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 4, 1990, 6:16 PM CDT (23:16 UTC)
- Expired
- Jul 4, 1990, 7:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Grant County, WI, Lafayette County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 6:52 PM CDT | Hail 1.25 | Lafayette, 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, 11.3 hours before the alert went out and 267 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
- 2269 J/kg
- Mixed-layer CIN
- -307 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSN 042317
SVRDBQ
WIC043-065-050015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DUBUQUE IA
ISSUED BY MADISON WI
616 PM CDT WED JUL 4 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST WISCONSIN
...GRANT...LA FAYETTE
AT 6;00 PM CDT RADAR DETECTED SEVERE THUNDERSTORMS JUST WEST
DICKYVILLE IN GRANT COUNTY JUST WEST OF DARLINGTON IN LAFAYETTE COUNTY
WHILE ALL STORMS WERE MOVING TO THE EAST AT 15 MILES AN HOUR..OTHER
TOWNS IN THE PATH OF THESE STORMS
ARE..FAYOT..LAMONT..WIOTA..DICKYVILLE AND CUBA CITY..THE LAFATETTE
COUNTY SHERIFF REPORTED MARBLE TO GOLF BALL SIZE HAIL WITH THESE
STORMS.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LO5WEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
GRIMMWhat 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 4, 2:09 PM CDT, 4 hours 7 minutes before
IAZ008-WIZ018-ILZ001-042300- SPECIAL WEATHER STATEMENT AND UPDATE FOR DUBUQUE AND VICINITY NATIONAL WEATHER SERVICE DUBUQUE IA 205 PM CDT TUE JUL 3 1990 ...EXCESSIVE HEAT THIS AFTERNOON FOR THE TRI-STATE... AT 2 PM CDT THE TEMPERATURE AT THE DUBUQUE REGIONAL AIRPORT WAS 90 DEGREES WITH A RELATIVE HUMIDITY OF 62 PERCENT AND A HEAT INDEX OF 101 DEGREES. DOWNTOWN DUBUQUE REPORTED TEMPERATURES IN THE MIDDLE 90S. THROUGH 6 PM TEMPERATURES WILL RISE INTO THE MIDDLE TO UPPER 90S WITH HEAT INDEXES OF 105 TO 110. SUNSTROKE...HEAT CRAMPS AND HEAT EXHAUSTION ARE LIKELY. HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND PHYSICAL ACTIVITY. EVEN THOUGH ITS THE 4TH OF JULY...PERSONS IN THE TRI-STATE AREA SHOULD USE SAFETY PRECAUTIONS TO GUARD AGAINST THE HEAT. WEAR LIGHT LOOSE FITTING CLOTHS...DRINK PLENTY OF WATER...WATCH THE ELDERLY AND INFANTS...AND DON'T OVER EXERT YOURSELF. HINNERS
Special weather statement, Jul 4, 3:10 PM CDT, 3 hours 6 minutes before
IAZ008-WIZ018-ILZ001-042300- SPECIAL WEATHER STATEMENT AND UPDATE FOR DUBUQUE AND VICINITY NATIONAL WEATHER SERVICE DUBUQUE IA 305 PM CDT TUE JUL 3 1990 ...EXCESSIVE HEAT THIS AFTERNOON FOR THE TRI-STATE... AT 3 PM CDT THE TEMPERATURE AT THE DUBUQUE REGIONAL AIRPORT WAS 92 DEGREES WITH A RELATIVE HUMIDITY OF 62 PERCENT AND A HEAT INDEX OF 106 DEGREES. DOWNTOWN DUBUQUE REPORTED TEMPERATURES IN THE MIDDLE 90S. THROUGH 6 PM TEMPERATURES WILL RISE INTO THE MIDDLE TO UPPER 90S WITH HEAT INDEXES OF 105 TO 110. SUNSTROKE...HEAT CRAMPS AND HEAT EXHAUSTION ARE LIKELY. HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND PHYSICAL ACTIVITY. EVEN THOUGH IT'S THE 4TH OF JULY...PERSONS IN THE TRI#-STATE AREA SHOULD TAKE SAFETY PRECAUTIONS TO GUARD AGAINST THE HEAT. WEAR LIGHT LOOSE FITTING CLOTHES...DRINK PLENTY OF WATER...WATCH THE ELDERLY AND INFANTS...AND DON'T OVER EXERT YOURSELF. HINNERS
Special weather statement, Jul 4, 5:24 PM CDT, 52 minutes before
IAZ008-WIZ018-ILZ001-050130- SPECIAL WEATHER STATEMENT AND UPDATE FOR DUBUQUE AND VICINITY NATIONAL WEATHER SERVICE DUBUQUE IA 415 PM CDT TUE JUL 3 1990 ...EXCESSIVE HEAT THIS AFTERNOON FOR THE TRI-STATE... AT 4 PM CDT THE TEMPERATURE AT THE DUBUQUE REGIONAL AIRPORT WAS 92 DEGREES WITH A RELATIVE HUMIDITY OF 58 PERCENT AND A HEAT INDEX OF 104 DEGREES. DOWNTOWN DUBUQUE REPORTED TEMPERATURES IN THE MIDDLE 90S. THROUGH 830 PM TEMPERATURES WILL STATY IN THE LOW TO MIDDLE 90S WITH HEAT INDEXES OF 105 TO 110. SUNSTROKE...HEAT CRAMPS AND HEAT EXHAUSTION ARE LIKELY. HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND PHYSICAL ACTIVITY. EVEN THOUGH IT'S THE 4TH OF JULY...PERSONS IN THE TRI-STATE AREA SHOULD TAKE SAFETY PRECAUTIONS TO GUARD AGAINST THE HEAT. WEAR LIGHT LOOSE FITTING CLOTHES...DRINK PLENTY OF WATER...WATCH THE ELDERLY AND INFANTS...AND DON'T OVER EXERT YOURSELF. HINNERS
Special weather statement, Jul 4, 5:25 PM CDT, 51 minutes before
IAZ008-WIZ018-ILZ001-050130- SPECIAL WEATHER STATEMENT AND UPDATE FOR DUBUQUE AND VICINITY NATIONAL WEATHER SERVICE DUBUQUE IA...CORRECTION 415 PM CDT TUE JUL 3 1990 ...EXCESSIVE HEAT THIS EVENING FOR THE TRI-STATE... AT 4 PM CDT THE TEMPERATURE AT THE DUBUQUE REGIONAL AIRPORT WAS 92 DEGREES WITH A RELATIVE HUMIDITY OF 58 PERCENT AND A HEAT INDEX OF 104 DEGREES. DOWNTOWN DUBUQUE REPORTED TEMPERATURES IN THE MIDDLE 90S. THROUGH 830 PM TEMPERATURES WILL STATY IN THE LOW TO MIDDLE 90S WITH HEAT INDEXES OF 105 TO 110. SUNSTROKE...HEAT CRAMPS AND HEAT EXHAUSTION ARE LIKELY. HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND PHYSICAL ACTIVITY. EVEN THOUGH IT'S THE 4TH OF JULY...PERSONS IN THE TRI-STATE AREA SHOULD TAKE SAFETY PRECAUTIONS TO GUARD AGAINST THE HEAT. WEAR LIGHT LOOSE FITTING CLOTHES...DRINK PLENTY OF WATER...WATCH THE ELDERLY AND INFANTS...AND DON'T OVER EXERT YOURSELF. HINNERS CORRECTED THE HEADLINE
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 6:14 PM CDT | Severe Thunderstorm Warning | DVN | Lafayette | 46 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990
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.