Alert archive / Iowa / Tornado Warnings in 1990
Tornado Warning 35, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jun 28, 1990, 1:44 PM CDT for Hardin County, Iowa. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1990, 1:44 PM CDT (18:44 UTC)
- Expired
- Jun 28, 1990, 2:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Hardin 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
Minneapolis, MN (KSTC), launched 12:00Z, 6.7 hours before the alert went out and 276 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
- 102 J/kg
- Mixed-layer CIN
- -411 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 307 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 281845
TORDSM
IAC083-281915-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
144 PM CDT THU JUN 28 1990
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 215 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL IOWA
...EASTERN HARDIN
AT 144 PM...A FUNNEL CLOUD CONTINUES TO BE REPORTED JUST NORTHWEST OF THELDORA AREA...OR ABOUT 40 MILES WEST OF WATERLOO.
THE TORNADO CONTINUED MOVING SOUTHEAST AT 35 MILES AN HOUR. CITIES
POSSIBLY AFFECTED BY THE STORM ARE ELDORA...GIFFORD...UNION...
WHITTEN...AND STEAMBOAT ROCK.
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
TRUETTWhat forecasters said that day
The local office's own words before this tornado 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, 10:50 AM CDT, 2 hours 54 minutes before
IAZALL-281630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1045 AM CDT THU JUN 28 1990 AT 1040 AM...AN ISOLATED INTENSE THUNDERSTORM WAS OVER EXTREME NORTHWEST IOWA...ALONG THE IOWA-MINNESOTA BORDER JUST NORTHWEST OF ESTHERVILLE...OR ABOUT 30 MILES NORTHEAST OF SPENCER. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM AS IT MOVES SOUTHEAST AT 35 MILES AN HOUR. ELSEWHERE...THE SHOWERS IN SOUTHEAST aIOWA CONTINUED TO WEAKEN AND DISSIPATE. MOST OF THESE SHOWERS WERE BETWEEN OTTUMWA AND BURLINGTON. THESE SHOWERS WERE MOVING SOUTHEAST AT 25 TO 30 MILES AN HOUR. TRUETT/BARLOW
Special weather statement, Jun 28, 12:05 PM CDT, 1 hour 39 minutes before
IAZALL-281730- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1200 NOON CDT THU JUN 28 1990 AT 1155 AM...AN ISOLATED INTENSE THUNDERSTORM CONTINUED OVER NORTH CENTRAL IOWA...ABOUT 25 MILES WEST OF MASON CITY IN WESTERN HANCOCK COUNTY. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM AS IT MOVES SOUTHEAST AT 35 MILES AN HOUR. IN SOUTHEAST IOWA...THE SHOWERS HAD DISSIPATED. TRUETT/BARLOW
Special weather statement, Jun 28, 12:43 PM CDT, 1 hour 1 minute before
IAZALL-281830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 1243 PM CDT THU JUN 28 1990 AT 1235 PM...A CLUSTER OF INTENSE THUNDERSTORMS WAS LOCATED OVER NORTH CENTRAL IOWA...BETWEEN BELMOND AND MASON CITY. BELMOND IS LOCATED 20 SOUTH SOUTHWEST OF MASON CITY. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM AS IT MOVES SOUTHEAST AT 45 MILES AN HOUR. PEOPLE IN THE PATH OF THIS STORM...IN THE CITIES OF SWALDALE...THORTON AND SHEFFIELD SHOULD TAKE SHELTER AS THIS CLUSTER OF STORMS APPROACHES. THIS COMPLEX OF STORMS WAS PART OF A LARGER AREA OF SHOWERS AND STORMS OVER NORTH CENTRAL AND NORTHEAST IOWA...GENERALLY NORTH AND EAST OF A LINE FROM SPEwNCER SOUTHEAST TO CLARION THEN NORTHEAST TO OELWEIN. BARLOW
Local storm report, Jun 28, 1:03 PM CDT, 41 minutes before
LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE DES MOINES IA
105 PM CDT THU JUNE 28 1990
TIMES CDT
505 AM.....WIND TO 60 MPH NEAR PANORA. /GUTHRIE COUNTY.
907 AM.....GOLF BALL SIZE HAIL NEAR ADEL. /DALLAS COUNTY.
1055 AM....1 MILE VISIBILITY IN HEAVY RAIN...WIND GUST TO 48 MPH AT
AIRPORT IN ESTHERVILLE. /EMMET COUNTY.
1109 AM....VERY HEAVY RAIN...MARBLE SIZE HAIL AT ARMSTRONG. /EMMET
COUNTY.
1145 AM....PEAR SIZE HAIL AND 1 INCH OF RAIN IN 20 MINUTES AT BANCROFT.
/KOSSUTH COUNTY.
1215 PM....50 MPH WINDS AND MARBLE SIZE HAIL AT BELMOND. /WRIGHT
COUNTY.
1234 PM....WINDS ESTIMATED AT 59 MPH AT THE CLARION AIRPORT. /WRIGHT
COUNTY.
WHESpecial weather statement, Jun 28, 1:03 PM CDT, 41 minutes before
IAZALL-281900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 100 PM CDT THU JUN 28 1990 AT 100 PM...A CLUSTER OF INTENSE THUNDERSTORMS WAS LOCATED OVER NORTH CENTRAL IOWA...SOME 15 TO 35 MILES SOUTH AND SOUTHEAST OF MASON CITY. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM AS IT MOVES SOUTHEAST AT NEARLY 50 MILES AN HOUR. PEOPLE IN THE PATH OF THIS STORM IN THE CITIES OF ACKLEY AND IOWA FALLS SHOULD TAKE SHELTER AS THIS CLUSTER OF STORMS APPROACHES. THIS COMPLEX OF STORMS WAS PART OF A LARGER AREA OF SHOWERS AND STORMS OVER NORTH CENTRAL AND NORTHEAST IOWA...GENERALLY NORTH AND EAST OF A LINE FROM SPENCER SOUTHEAST TO CLARION THEN NORTHEAST TO OELWEIN. BARLOW
Special weather statement, Jun 28, 1:43 PM CDT, 1 minute before
IAZALL-281935- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 135 PM CDT THU JUN 28 1990 INTENSE THUNDERSTORMS WERE LOCATED OVER PARTS OF NORTH CENTRAL AND NORTHEAST IOWA. AT 129 PM...THE THUNDERSTORMS WERE LOCATED FROM 40 MILES SOUTHWEST OF WATERLOO NEAR ELDORA TO 25 MILES WEST OF WATERLOO. HIGH WINDS...HAIL...AND EXTREMELY HEAVY RAINS WILL OCCUR WITH THESE STORMS. THE STORM WAS MOVING SOUTHEAST AT 50 MILES AN HOUR. BY 2 PM THESE STORMS WILL BE LOCATED FROM JUST SOUTH OF WATERLOO TO NEAR MARSHALLTOWN. SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO OCCURRING OVER NORTH CENTRAL AND NORTHEAST IOWA...NORTHEAST OF A WATERLOO...MASON CITY LINE. CAB/DLF
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, 5:10 AM CDT | Severe Thunderstorm Warning | DMX | Dallas | 35 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, 1:56 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
Tornado Warnings in Iowa, 1990Every tornado warning in 1990Tornadoes 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.