Alert archive / Iowa / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 75, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 16, 1990, 5:49 PM CDT for Madison County, Iowa. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1990, 5:49 PM CDT (22:49 UTC)
- Expired
- Jun 16, 1990, 6:15 PM CDT
- In force
- 26 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Madison County, IA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.8 hours before the alert went out and 197 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
- 3656 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 237 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 KDSM 162248
SVRDSM
IAC121-179-162315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
549 PM CDT SAT JUN 16 1990
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL IOWA
...SOUTHEASTERN MADISON...SOUTHWESTERN WARREN
AT 545 PM CDT...WEATHER RADAR IN DES MOINES INDICATED A SEVERE
THUNDERSTORM OVER SOUTHEAST MADISON COUNTY...ABOUT 35 MILES SOUTHWEST
OF DES MOINES.
THE STORM WAS MOVING EAST AT ABOUT 20 MILES AN HOUR...AND WILL AFFECT
THE CITIES OF TRURO...NEW VIRGINIA..AND ST. MARYS BETWEEN 550 AND 610
PM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
SCHUMACHERWhat 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, Jun 16, 3:46 PM CDT, 2 hours 3 minutes before
IAZALL-162145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 345 PM CDT SAT JUN 16 1990 ...FLASH FLOOD WATCH FOR MUCH IOWA FOR THE REST OF AFTERNOON AND TONIGHT... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTH CENTRAL AND SOUTHEAST IOWA UNTIL 7PM TONIGHT... AT 335 PM...VERY STRONG THUNDERSTORMS CONTINUED OVER EXTREME EAST CENTRAL AND SOUTHEAST IOWA. THE STORMS WERE LOCATED WITHIN A 30 MILE WIDE BAND THAT EXTENDED FROM ANAMOSA OR 20 MILES EAST OF CEDAR RAPIDS TO FARMINGTON OR 20 MILES WEST OF BURLINGTON. IN ADDITION...SHOWERS AND THUNDERSTORMS CONTINUED OVER NORTHEAST TWO THIRDS OF THE STATE. SCATTERED SHOWERS AND AN ISOLATED THUNDERSTORM WERE OCCURRING OVER NORTHWEST...WEST CENTRAL AND SOUTH CENTRAL IOWA. THE SHOWERS AND STORMS WERE MOVING EAST AT 30 MILES AN HOUR. JM/SCOTT
Special weather statement, Jun 16, 4:20 PM CDT, 1 hour 29 minutes before
IAZALL-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 420 PM CDT SAT JUN 16 1990 ...FLASH FLOOD/FLOOD WATCH FOR MUCH OF IOWA TONIGHT... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTH CENTRAL AND SOUTHEAST IOWA UNTIL 7PM TONIGHT... AT 410 PM...VERY STRONG THUNDERSTORMS CONTINUED OVER THE EXTREME SOUTHEAST CORNER OF IOWA...BETWEEN KEOKUK AND FARMINGTON...OR ABOUT 25 MILES WEST AND SOUTHWEST OF BURLINGTON. VERY HEAVY RAINS...AND FREQUENT DEADLY LIGHTNING CAN BE EXPECTED WITH THESE STORMS. THESE STORMS WERE PART OF A LARGE AREA OF NUMEROUS SHOWERS AND WIDELY SCATTERED THUNDERSTORMS OVER THE WESTERN THIRD OF IOWA. MOST OF THE SHOWERS AND STORMS WERE EAST OF LINE FROM WATERLOO SOUTH TO OTTUMWA. WIDELY SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE LOCATED OVER THE NORTH CENTRAL...CENTRAL AND SOUTH CENTRAL COUNTIES...WITH ISOLATED LOCATED OVER NORTHWEST IOWA ALONG THE IOWA/MINNESOTA BORDER NORTH OF SPENCER. THE SHOWERS AND STORMS WERE MOVING EAST NORTHEAST AT 35 MILES AN HOUR. BARLOW
Special weather statement, Jun 16, 4:48 PM CDT, 1 hour 1 minute before
IAZALL-162230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 445 PM CDT SAT JUN 16 1990 ...FLASH FLOOD/FLOOD WATCH FOR MUCH OF IOWA TONIGHT... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTH CENTRAL AND SOUTHEAST IOWA UNTIL 7PM TONIGHT... AT 435 PM...VERY STRONG THUNDERSTORMS CONTINUED OVER THE FAR SOUTHEAST COUNTIES AND ALSO OVER PARTS OF CENTRAL IOWA. THE THUNDERSTORMS THAT WERE OVER EXTREME SOUTHEAST IOWA WERE LOCATED BETWEEN KEOKUK AND BURLINGTON. THESE STORMS ARE EXPECTED TO MOVE INTO WESTERN ILLINOIS AROUND 515 PM. A VERY STRONG THUNDERSTORM WAS ALSO LOCATED OVER CENTRAL IOWA OR ABOUT 25 MILES SOUTHWEST OF DES MOINES. VERY HEAVY RAINS...HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING ARE LIKELY WITH THE PASSAGE OF THESE STORMS. SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER NORTH CENTRAL CENTRAL AND THE EASTERN ONE THIRD OF THE STATE. THE SHOWERS AND STORMS WERE MOVING EAST NORTHEAST AT 35 MIL#ES AN HOUR. JM/BARLOW
Special weather statement, Jun 16, 4:53 PM CDT, 56 minutes before
IAZALL-162230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 453 PM CDT SAT JUN 16 1990 ...FLASH FLOOD/FLOOD WATCH FOR MUCH OF IOWA TONIGHT... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTH CENTRAL AND SOUTHEAST IOWA UNTIL 7PM TONIGHT... AT 435 PM...VERY STRONG THUNDERSTORMS CONTINUED OVER THE FAR SOUTHEAST COUNTIES AND ALSO OVER PARTS OF CENTRAL IOWA. THE THUNDERSTORMS THAT WERE OVER EXTREME SOUTHEAST IOWA WERE LOCATED BETWEEN KEOKUK AND BURLINGTON. THESE STORMS ARE EXPECTED TO MOVE INTO WESTERN ILLINOIS AROUND 515 PM. A VERY STRONG THUNDERSTORM WAS ALSO LOCATED OVER CENTRAL IOWA OR ABOUT 25 MILES SOUTHWEST OF DES MOINES. VERY HEAVY RAINS...HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING ARE LIKELY WITH THE PASSAGE OF THESE STORMS. SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER NORTH CENTRAL CENTRAL AND THE EASTERN ONE THIRD OF THE STATE. THE SHOWERS AND STORMS WERE MOVING EA3ST NORTHEAST AT 35 MILES AN HOUR. JM/BARLOW
Special weather statement, Jun 16, 5:26 PM CDT, 23 minutes before
IAZALL-162320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 525 PM CDT SAT JUN 16 1990 ...FLASH FLOOD/FLOOD WATCH FOR MUCH OF IOWA TONIGHT... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTH CENTRAL AND SOUTHEAST IOWA UNTIL 7PM TONIGHT... AT 520 PM...INTENSE THUNDERSTORMS CONTINUED TO DEVELOP RAPIDLY OVER CENTRAL AND EXTREME SOUTHEAST IOWA. ONE STORM WAS LOCATED NEAR WINTERSET OR 20 MILES WEST OF DES MOINES. THIS STORM IS EXPECTED TO MOVE INTO INDIANOLA AND RED ROCK RECREATION AREA AROUND 600 PM. ANOTHER STORM WAS LOCATED NEAR KEOKUK OVER THE EXTREME SOUTHEAST CORNER OF THE STATE. VERY HEAVY RAINS...HAIL...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS WILL BE ASSdOCIATED WITH THESE STRONG STORMS. / SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER CENTRAL... EAST CENTRAL AND SOUTHEAST IOWA. THE SHOWERS AND STORMS WERE MOVING EAST NORTHEAST AT 30 MILES AN HOUR. JM/BARLOW
Special weather statement, Jun 16, 5:48 PM CDT, 1 minute before
IAZALL-172345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 548 PM CDT SAT JUN 16 1990 ...FLASH FLOOD WATCH FOR ALL OF IOWA TONIGHT... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHEAST IOWA UNTIL 7PM... AT 535 PM...A VERY INTENSE THUNDERSTORM WAS LOCATED NEAR WINTERSET OR 25 MILES SOUTHWEST OF DES MOINES. LARGE HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING AND TORRENTIAL DOWNPOURS ARE LIKELY WITH THIS STORM. THE STORM APPEARS TO HAD DECELERATED. OTHER INTENSE STORMS WERE ALONG THE EXTREME SOUTHEAST CORNER OF THE STATE ALONG THE IOWA/ILLINOIS BORDER. THE BRUNT OF THESE STORMS WERE IN EXTREME WEST CENTRAL ILLINOIS OR 25 MILES SOUTH OF BURLINGTON. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER PARTS OF CENTRAL...EAST CENTRAL AND NORTHEAST IOWA. / THE SHOWERS AND STORMS WERE MOVING EAST AROUND 20 MILES AN HOUR. JM/BARLOW
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:13 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 62 min |
| Jun 16, 6:17 AM CDT | Tornado Warning | DMX | Polk | 43 min |
| Jun 16, 6:41 AM CDT | Flash Flood Warning | DMX | Polk | 3 hr |
| Jun 16, 7:12 AM CDT | Tornado Warning | DMX | Jasper | 33 min |
| Jun 16, 7:22 AM CDT | Flash Flood Warning | DMX | Dallas | 4 hr |
| Jun 16, 9:16 AM CDT | Flash Flood Warning | DMX | Marion, Warren | 3 hr |
| Jun 16, 9:48 AM CDT | Flash Flood Warning | DMX | Johnson | 3 hr |
| Jun 16, 1:36 PM CDT | Flash Flood Warning | DMX | Union | 114 min |
| Jun 16, 1:36 PM CDT | Tornado Warning | DMX | Mahaska | 54 min |
| Jun 16, 1:36 PM CDT | Tornado Warning | DMX | Keokuk, Wapello | 44 min |
| Jun 16, 2:16 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Jefferson, Van Buren | 44 min |
| Jun 16, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 39 min |
| Jun 16, 5:15 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Union | 30 min |
| Jun 16, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 26 min |
| Jun 16, 6:16 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 29 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 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; the sounding from the Mesonet's radiosonde archive.