Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 65, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jul 4, 1995, 7:59 PM CDT for Black Hawk County, Iowa. It was in force for 21 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1995, 7:59 PM CDT (00:59 UTC)
- Expired
- Jul 4, 1995, 8:20 PM CDT
- In force
- 21 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Black Hawk County, IA
The radar
The Des Moines radar (KDMX), 143 km from the middle of the area, began a volume at 01:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.0 hours before the alert went out and 177 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
- 403 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1293 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 050055 RRA
SVRDSM
IAC013-050120-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
759 PM CDT TUE JUL 4 1995
* SEVERE THUNDERSTORM WARNING FOR
NORTHEASTERN BLACK HAWK COUNTY - NORTHEAST IOWA
* UNTIL 820 PM CDT
* SOME TOWNS AFFECTED
DUNKERTON
DEWAR
* AT 753 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR WATERLOO
MOVING NORTHEAST AT 35 MPH.
* THE STORM WILL BE MOVING THROUGH THE TOBWNS OF DUNKERTON AND DEWAR.
THIS IS A DANGEROUS STORM. DO NOT GO OUTDOORS.
SMITHWhat 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, Jul 4, 5:15 PM CDT, 2 hours 44 minutes before
IAZ082-042255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 519 PM CDT TUE JUL 4 1995 ...THE SEVERE THUNDERSTORMS WARNING FOR EASTERN UNION COUNTY IS CANCELLED... A SPOTTER AT THAYER REPORTED 40 MILES AN HOUR WINDS AT PEA SIZED HAIL AT 511 PM CDT. THESE THUNDERSTORMS WERE HEADING INTO CLARKE COUNTY NEAR MURRAY AND HOPEVILLE...45 MILES SOUTHWEST OF DES MOINES. PEOPLE IN THE PATH OF THESE THUNDERSTORMS SHOULD TAKE COVER NOW. BELLES
Special weather statement, Jul 4, 5:19 PM CDT, 2 hours 40 minutes before
IAZ082-042255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 519 PM CDT TUE JUL 4 1995 ...THE SEVERE THUNDERSTORMS WARNING FOR EASTERN UNION COUNTY IS CANCELLED... A SPOTTER AT THAYER REPORTED 40 MILES AN HOUR WINDS AT PEA SIZED HAIL AT 511 PM CDT. THESE THUNDERSTORMS WERE HEADING INTO CLARKE COUNTY NEAR MURRAY AND HOPEVILLE...45 MILES SOUTHWEST OF DES MOINES. PEOPLE IN THE PATH OF THESE THUNDERSTORMS SHOULD TAKE COVER NOW. BELLES
Special weather statement, Jul 4, 5:27 PM CDT, 2 hours 32 minutes before
IAZALL-042305- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 530 PM CDT TUE JUL 4 1995 ...STRONG STORMS MOVING THROUGH CENTRAL IOWA... DOPPLER RADAR INDICATES STRONG WINDS MOVING INTO SOUTHWEST WARREN COUNTY. WINDS GUST UP TO 50 MILES AN HOUR ARE POSSIBLE WITH THESE STORMS. THE THUNDERSTORMS ARE PART OF A LINE OF STORMS FROM CLIVE TO ST CHARLES TO HOPEVILLE. WINDS UP TO 50 MILES AN HOUR...DEADLY LIGHTNING AND PEA SIZED HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH THE CITIES OF DES MOINES...INDIANOLA...AND OSCEOLA DURING THE NEXT HALF HOUR. IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS TAKE SHELTER IMMEDIATELY. BELLES
Special weather statement, Jul 4, 5:30 PM CDT, 2 hours 29 minutes before
IAZALL-042305- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 530 PM CDT TUE JUL 4 1995 ...STRONG STORMS MOVING THROUGH CENTRAL IOWA... DOPPLER RADAR INDICATES STRONG WINDS MOVING INTO SOUTHWEST WARREN COUNTY. WINDS GUST UP TO 50 MILES AN HOUR ARE POSSIBLE WITH THESE STORMS. THE THUNDERSTORMS ARE PART OF A LINE OF STORMS FROM CLIVE TO ST CHARLES TO HOPEVILLE. WINDS UP TO 50 MILES AN HOUR...DEADLY LIGHTNING AND PEA SIZED HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH THE CITIES OF DES MOINES...INDIANOLA...AND OSCEOLA DURING THE NEXT HALF HOUR. IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS TAKE SHELTER IMMEDIATELY. BELLES
Special weather statement, Jul 4, 7:20 PM CDT, 39 minutes before
IAZALL-050025- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 720 PM CDT TUE JUL 4 1995 ...SEVERE THUNDERSTORM WATCH 706 IS NO LONGER IN EFFECT FOR SEVERAL COUNTIES IN IOWA... KOSSUTH WINNEBAGO HANCOCK HUMBOLT CALHOUN WEBSTER HARDIN WRIGHT HAMILTON GREENE CARROLL BOONE STORY POLK DALLAS GUTHRIE AUDUBON ADAIR MADISON ADAMS UNION CLARKE DECATUR RINGGOLD TAYLOR ...SEVERE THUNDERSTORM WATCH NUMBER 704 IS NO LONGER IN EFFECT FOR THESE COUNTIES IN IOWA... CASS FREEMONT MONTGOMERY PAGE
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 7:18 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Poweshiek | 27 min |
| Jul 4, 7:24 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 31 min |
| Jul 5, 1:45 PM CDT | Tornado Warning | DMX | Chickasaw | 15 min |
| Jul 5, 2:10 PM CDT | Tornado Warning | DMX | Chickasaw, Winneshiek | 15 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1995Every severe thunderstorm warning in 1995
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; radar from the NEXRAD Level II archive.