Alert archive / Iowa / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 124, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 28, 1990, 5:10 AM CDT for Dallas County, Iowa. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1990, 5:10 AM CDT (10:10 UTC)
- Expired
- Jun 28, 1990, 5:45 AM CDT
- In force
- 35 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Dallas 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 00:00Z, 10.2 hours before the alert went out and 198 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
- 3614 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 202 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 281011
SVRDSM
IAC049-281100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
510 AM CDT THU JUN 28 1990
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL IOWA
...DALLAS
AT 505 AM RADAR INDICATED A SEVERE STORM IN NORTHWEST DALLAS COUNTY
OR ABOUT 40 MILES TO THE NORTHWEST OF DES MOINES.
THE STORM IS MOVING TO THE SOUTHEAST AT 40 MILES AN HOUR AND WILL BE
MOVING INTO THE PERRY AREA AROUND 513 AM AND ADEL AREA BY 520 AM.
AT 500 AM WINDS TO 60 MILES AN HOUR OCCURED JUST TO THE EAST OF
GUTHRIE CENTER.
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
DONS'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
WEINBRECHT/CABWhat 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 28, 12:45 AM CDT, 4 hours 25 minutes before
IAZALL-280700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 1244 AM CDT THU JUN 28 1990 AT 1229 AM...AN INTENSE THUNDERSTORM WAS LOCATED ACROSS CENTRAL SIOUX COUNTY...NEAR HULL AND SIOUX CENTER OR ABOUT 35 MILES NORTH OF SIOUX CITY. THESE STORMS ARE CAPABLE OF PRODUCING EXTREMELY HEAVY RAIN... LARGE AND DAMAGING HAIL AND DAMAGING WIND IN EXCESS OF 65 MILES AN HOUR. IN ADDITION...NEARLY CONTINUOUS LIGHTNING HAS BEEN REPORTED. THIS CELL IS LIKELY TO MOVE INTO NORTHWEST CHEROKEE COUNTY BY 120 AM. OTHER SHOWERS AND THUNDERSTORMS WERE NEAR ESTHERVILLE AND NEAR SIBLEY... ALL IN FAR NORTHWESTERN IOWA. SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED IN FAR NORTHEAST IOWA. THE PRECIPITATION EXTENDED FROM 20 MILES NORTHWEST OF DUBUQUE...TO NEAR DECORAH...OR ABOUT 55 MILES EAST OF MASON CITY. THE SHOWERS AND THUNDERSTORMS IN THE NORTHEAST WERE MOVING EAST AT 25 MILES AN HOUR...WHILE THE STORMS IN THDE NORTHWEST WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. HUTTON
Special weather statement, Jun 28, 1:51 AM CDT, 3 hours 19 minutes before
IAZALL-280730- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 149 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH NORTHWEST IOWA UNTIL 5AM... AT 126 AM...INTENSE THUNDERSTORMS WERE INDICATED IN NORTHWEST IOWA... FROM NEAR SPENCER...TO CHEROKEE TO NEAR LE MARS...OR ABOUT 20 MILES NORTHEAST OF SIOUX CITY. THESE STORMS ARE LIKELY PRODUCING EXTREMELY HEAVY RAIN...LARGE AND DAMAGING HAIL AND DAMAGING WIND IN EXCESS OF 65 MILES AN HOUR. LOW LYING FLOODING IS POSSIBLE IN THESE AREAS. THE THUNDERSTORMS WILL LIKELY BE IN THE STORM LAKE AREA AND EASTERN CLAY COUNTY BY 115 AM. ANOTHER INTENSE THUNDERSTORM WAS IN NORTHWEST SIOUX COUNTY...ABOUT 45 MILES NORTH OF SIOUX CITY. THIS STORM IS ALSO CAPABLE OF PRODUCING EXTREMELY HEAVY RAIN...LARGE HAIL AND DAMAGING WIND. THE THUNDESTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. HUTTON
Special weather statement, Jun 28, 2:39 AM CDT, 2 hours 31 minutes before
IAZALL-280830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 236 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH NORTHWEST IOWA UNTIL 5AM... AT 225 AM...INTENSE THUNDERSTORMS WERE INDICATED IN NORTHWEST IOWA... FROM JUST WEST OF EMMETSBURG...OR ABOUT 70 MILES WEST OF MASON CITY... TO CENTRAL POCOHONTAS COUNTY...TO 10 MILES NORTH OF IDA GROVE...OR ABOUT 40 MILES EAST OF SIOUX CITY. THESE STORMS ARE STILL CAPABLE OF PRODUCING EXTREMELY HEAVY RAINFALL...HAIL AND DAMAGING WIND IN EXCESS OF 65 MILES AN HOUR. EARLIER TONIGHT...AN OBSERVER IN SHELDON REPORTED 1.90 INCHES OF RAIN IN 30 MINUTES AS THE STORMS MOVED THROUGH. LOW LYING AREAS COULD EXPERIENCE FLOODING WITH THE HEAVY RAINS. OTHER VERY STRONG THUNDERSTORMS WERE IN THE NORTHWEST CORNER OF THE STATE...ABOUT 30 MILES NORTHEAST AND 45 MILES NORTH OF SIOUX CITY. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. HUTTON
Special weather statement, Jun 28, 3:48 AM CDT, 1 hour 22 minutes before
IAZALL-280930- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 346 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH MOST OF IOWA UNTIL 9AM... AT 326 AM...INTENSE THUNDERSTORMS WERE INDICATED FROM NEAR EAGLE GROVE OR 65 MILES NORTH OF DES MOINES...TO 55 MILES NORTHWEST OF DES MOINES... TO NEAR IDA GROVE...OR ABOUT 45 MILES EAST OF SIOUX CITY. THESE STORMS ARE STILL CAPABLE OF PRODUCING ETREMELY HEAVY RAINFALL...HAIL AND WIND IN EXCESS OF 55 MILES AN HOUR. AN INTENSE THUNDERSTORM WAS INDICATED IN NORTHWEST IOWA IN WESTERN O BRIEN COUNTY...ABOUT 40 MILES NORTHEAST OF SIOUX CITY. THIS STORM PRODUCED 2 TO 3 INCH DIAMETER HAIL 5 MILES EAST OF HOSPERS. REPORTS ARE THE HAIL PILED 2 TO 6 INCHES DEEP. THIS STORM WILL LIKELY MOVE INTO THE SOUTHERN PART OF O BRIEN COUNTY BY 4AM. THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 TO 40 MILES AN HOUR. HUTTON
Local storm report, Jun 28, 3:59 AM CDT, 1 hour 11 minutes before
LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE DES MOINES IA
358 AM CDT THU JUNE 28 1990
TIMES CDT
125 AM.......1 INCH HAIL. WIND IN EXCESS OF 60 MPH IN EVERLY / CLAY
COUNTY.
135 AM.......65 MPH WINDS AT PRIMGHAR / OBRIEN COUNTY.
151 AM.......HIGH WINDS...UNKNOWN SPEED...AT LAURENS / POCAHONTAS
COUNTY.
210 AM.......1.9 INCHES RAIN IN 30 MINUTES...BRANCHES DOWN...POWER
OUTAGES AT SHELDON / OBRIEN COUNTY
210 AM......STRONG WINDS AND HEAVY RAIN AT POCAHONTAS / POCAHONTAS
COUNTY.
/
335 AM.......2 TO 3 INCH SIZE HAIL COVERING THE GROUND TO DEPTH
OF 2 TO 6 INCHES 5 MILES EAST OF HOSPERS / SIOUX
COUNTY. REPORT VIA KCID RADIO IN SPENCER.
CORBETTSpecial weather statement, Jun 28, 4:50 AM CDT, 20 minutes before
IAZALL-281030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 445 AM CDT THU JUN 28 1990 ...SEVERE THUNDERSTORM WATCH FOR MOST OF IOWA UNTIL 9AM... AT 435 AM...ISOLATED INTENSE THUNDERSTORMS WERE OVER CENTRAL AND WEST CENTRAL IOWA. THE STORMS WERE 35 AND 60 MILES NORTHWEST OF DES MOINES NEAR OGDEN...JEFFERSON AND COON RAPIDS. ALONG WITH THE EXTREMELY HEAVY RAINS...WINDS OF 50 MILES AN HOUR AND HAIL ARE OCCURRING WITH THESE STORMS. ALSO...SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM CENTRAL INTO NORTHWEST AND NORTH CENTRAL IOWA. AND A FEW SHOWERS AND STORMS HAD DEVELOPED OVER THE SOUTHERN COUNTIES...ABOUT MIDWAY BETWEEN LAMONI AND OTTUMWA. = THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. / KS
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 1:12 AM CDT | Severe Thunderstorm Warning | DMX | Clay | 63 min |
| Jun 28, 1:37 AM CDT | Severe Thunderstorm Warning | DMX | Buena Vista | 68 min |
| Jun 28, 1:53 AM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 67 min |
| Jun 28, 2:11 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 64 min |
| Jun 28, 2:11 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 64 min |
| Jun 28, 2:24 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 66 min |
| Jun 28, 2:52 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 68 min |
| Jun 28, 4:23 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 52 min |
| Jun 28, 7:06 AM CDT | Severe Thunderstorm Warning | DMX | Monroe | 32 min |
| Jun 28, 10:32 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 43 min |
| Jun 28, 11:02 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 43 min |
| Jun 28, 11:40 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 50 min |
| Jun 28, 11:43 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 32 min |
| Jun 28, 12:15 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 30 min |
| Jun 28, 12:24 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Franklin | 51 min |
| Jun 28, 1:09 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 51 min |
| Jun 28, 1:09 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 26 min |
| Jun 28, 1:09 PM CDT | Tornado Warning | DMX | Hardin | 36 min |
| Jun 28, 1:26 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 54 min |
| Jun 28, 1:42 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 48 min |
| Jun 28, 1:44 PM CDT | Tornado Warning | DMX | Hardin | 31 min |
| Jun 28, 1:56 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 30 min |
| Jun 28, 2:13 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 47 min |
| Jun 28, 2:23 PM CDT | Tornado Warning | DMX | Poweshiek, Tama | 37 min |
| Jun 28, 2:51 PM CDT | Tornado Warning | DMX | Iowa | 39 min |
| Jun 28, 2:51 PM CDT | Tornado Warning | DMX | Benton | 23 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.