Alert archive / Iowa / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 73, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 16, 1990, 5:15 PM CDT for Madison County, Union County, Iowa. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1990, 5:15 PM CDT (22:15 UTC)
- Expired
- Jun 16, 1990, 5:45 PM CDT
- In force
- 30 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Madison County, IA, Union 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, 10.3 hours before the alert went out and 188 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 162214
SVRDSM
IAC121-175-162245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
515 PM CDT SAT JUN 16 1990
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL IOWA
...SOUTHERN MADISON...NORTHERN UNION
AT 510 PM CDT...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER
EXTREME SOUTHEAST ADAIR COUNTY...EXTENDING INTO NORTHERN UNION AND
SOUTHWEST MADISON COUNTIES...OR ABOUT 35 MILES SOUTHWEST OF DES
MOINES.
THE STORM WAS MOVING EAST-NORTHEAST AT ABOUT 20 MILES AN HOUR...AND
WILL AFFECT THE CITIES OF LORIMOR...MACKSBURG...AND EAST PERU BETWEEN
515 AND 540 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
OFZ 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, 2:46 PM CDT, 2 hours 29 minutes before
IAZALL-162045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 245 PM CDT SAT JUN 16 1990 ...SEVERE THUNDERSTORM WATCH FOR PARTS OF SOUTH CENTRAL AND SOUTHEAST IOWA UNTIL 7PM TONIGHT... ...FLASH FLOOD AND FLOOD WATCH FOR MUCH OF IOWA FOR THE REST OF AFTERNOON AND TONIGHT... AT 230 PM...VERY STRONG THUNDERSTORMS WERE LOCATED OVER SOUTHEAST AND EAST CENTRAL IOWA. ONE AREA OF STORMS WERE LOCATED 30 MILES SOUTHEAST OF OTTUMWA OR 30 MILES WEST OF BURLINGTON. ANOTHER STRONG STORM WAS LOCATED NEAR IOWA CITY OR 55 MILES WEST OF THE QUAD CITIES. VERY HEAVY RAINS...HAIL...DAMAGING WINDS...AND DANGEROUS LIGHTNING ARE LIKELY WITH THESE STORMS. SHOWERS AND THUNDERSTORMS CONTINUED OVER THE NORTHEAST TWO THIRDS OF THE STATE. DURING THE PAST HOUR...SHOWERS AND THUNDERSTORMS HAD REDEVELOPED OVER PARTS OF WEST CENTRAL IOWA. THE SHOWERS AND STORMS WERE MOVING EAST AT 30 MILES AN HOUR. JM/SCOTT Y
Special weather statement, Jun 16, 3:31 PM CDT, 1 hour 44 minutes before
IAZALL-162130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 330 PM CDT SAT JUN 16 1990 AT 325 PM...WEATHER RADAR IN DES MOINES CONTINUED TO SHOW VERY STRONG THUNDERSTORMS OVER EXTREME EASTERN IOWA. THE STORMS WERE LOCATED WITHIN A 30 MILE WIDE BAND THAT EXTENDED FORM 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. AREAL COVERAGE HAD INCREASE OVER PORTIONS OF WEST CENTRAL AND SOUTH CENTRAL IOWA SINCE 230 PM. JM
Special weather statement, Jun 16, 3:46 PM CDT, 1 hour 29 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, 55 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, 27 minutes 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, 22 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
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, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 26 min |
| Jun 16, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 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.