Alert archive / Iowa / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 53, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 28, 1986, 5:33 AM CDT for Dickinson County, Iowa. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1986, 5:33 AM CDT (10:33 UTC)
- Expired
- Jun 28, 1986, 6:10 AM CDT
- In force
- 37 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Dickinson 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 00:00Z, 10.6 hours before the alert went out and 205 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
- 1894 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 13 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 281033 SVRDSM IAC059-281110- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 533 AM CDT SAT JUN 28 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 610 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHWEST IOWA...DICKINSON AT 525 AM CDT RADAR INDICATED A SEVER THUNDERSTORM IN THE NORTHWEST PART OF DICKINSON COUNTY IN EXTREME NORTHWEST IOWA. THIS IS ABOUT 15 TO 20 MILES NORTH OF SPENCER. THE STORM IS MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR..AND WILL AFFECT THE IOWA GREAT LAKES AREA AND THE SOUTHEAST HALF OF DICKINSON COUNTY BETWEEN 530 AND 610 AM CDT. REMEMBER..A SEVERE THUNDERS&TORM CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAINS THAT CAN QUICKLY FLOOD LOW LYING AREAS. PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE APPROPRIATE ACTION IMMEDIATELY.
What 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, 3:09 AM CDT, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 305 AM CDT FRI JUN 27 1986 A STRONG THUNDERSTORM WAS LOCATED OVER NORTHWEST IOWA. THE STORM WAS LOCATED OVER EMMET COUNTY..JUST SOUTH OF ESTHERVILLE AT 300 AM. THIS STORM WAS PRODUCING VERY HEAVY RAIN..GUSTY WINDS..AND DANGEROUS LIGHTNING. WINDS OF 34 MILES AN HOUR WERE REPORTED WEST OF SPIRIT LAKE AS THE STORM MOVED THROUGH THAT AREA. THE STORM WAS MOVING SOUTHEAST AT 35 MILES A HOUR AND WILL MOVE THOUGH THE EMMETSBURG AREA BY AROUND 330 AM THIS MORNING. WIND GUSTS OF UP TO 40 MILES AN HOUR..VERY HEAVY RAIN..AND CONSIDERABLE LIGHTNING CAN BE EXPECTED WITH THE STORMS PASSAGE. SCHUMACHER
Special weather statement, Jun 28, 3:12 AM CDT, 2 hours 21 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION TO TIME NATIONAL WEATHER SERVICE DES MOINES IA 305 AM CDT SAT JUN 28 1986 A STRONG THUNDERSTORM WAS LOCATED OVER NORTHWEST IOWA. THE STORM WAS LOCATED OVER EMMET COUNTY..JUST SOUTH OF ESTHERVILLE AT 300 AM. THIS STORM WAS PRODUCING VERY HEAVY RAIN..GUSTY WINDS..AND DANGEROUS LIGHTNING. WINDS OF 34 MILES AN HOUR WERE REPORTED WEST OF SPIRIT LAKE AS THE STORM MOVED THROUGH THAT AREA. THE STORM WAS MOVING SOUTHEAST AT 35 MILES A HOUR AND WILL MOVE THOUGH THE EMMETSBURG AREA BY AROUND 330 AM THIS MORNING. WIND GUSTS OF UP TO 40 MILES AN HOUR..VERY HEAVY RAIN..AND CONSIDERABLE LIGHTNING CAN BE EXPECTED WITH THE STORMS PASSAGE. SCHUMACHER
Special weather statement, Jun 28, 3:38 AM CDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 334 AM CDT SAT JUN 28 1986 AT 330 AM CDT... A VERY STRONG THUNDERSTORM WAS LOCATED OVER NORTH CENTRAL IOWA..ABOUT
Special weather statement, Jun 28, 4:08 AM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 407 AM CDT SAT JUN 28 1986 A VERY STRONG THUNDERSTORM WAS LOCATED OVER NORTH CENTRAL IOWA. IT WAS LOCATED OVER SOUTHERN KOSSUTH COUNTY..EXTENDING INTO NORTHERN HUMBOLDT COUNTY. THE STORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR AND WILL MOVE INTO THE EAGLE GROVE AND CLARION AREAS BETWEEN 415 AND 515 AM THIS MORNING. PEOPLE IN THE PATH OF THE STORM CAN EXPECT VERY HEAVY RAIN..GUSTY WINDS TO AROUND 40 MILES AN HOUR AND DANGEROUS LIGHTNING. SCHUMACHER
Special weather statement, Jun 28, 5:20 AM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 515 AM CDT SAT JUN 28 1986 AT 515 AM STRONG THUNDERSTORMS WERE LOCATED OVER EXTREME NORTHWEST AND NORTH CENTRAL IOWA..MAINLY OVER DICKINSON..EMMET..AND KOSSUTH COUNTIES. THESE STORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. NO SEVERE WEATHER HAD BEEN REPORTED THROUGH 515AM..HOWEVER..THEY WERE PRODUCING BRIEF VERY HEAVY RAINS..SMALL HAIL..AND WIND GUSTS TO 30 TO 40 MILES AND HOUR IN SOME PLACES. ELLINGSON
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 8:36 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 49 min |
| Jun 28, 9:01 AM CDT | Severe Thunderstorm Warning | DMX | Hancock | 59 min |
| Jun 28, 12:38 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 22 min |
| Jun 28, 12:53 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 47 min |
| Jun 28, 1:12 PM CDT | Severe Thunderstorm Warning | DMX | Monroe, Wapello | 33 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1986Every severe thunderstorm warning in 1986
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.