Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 87, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jul 27, 1995, 11:49 AM CDT for Worth County, Iowa. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1995, 11:49 AM CDT (16:49 UTC)
- Expired
- Jul 27, 1995, 12:15 PM CDT
- In force
- 26 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Worth County, IA
The radar
The Minneapolis radar (KMPX), 165 km from the middle of the area, began a volume at 16:49 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
Minneapolis, MN (KMPX), launched 12:00Z, 4.8 hours before the alert went out and 166 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
- 467 J/kg
- Mixed-layer CIN
- -305 J/kg
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 239 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 271649 RRA
SVRDSM
IAC195-271715-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1149 AM CDT THU JUL 27 1995
* SEVERE THUNDERSTORM WARNING FOR
NORTHEASTERN WORTH COUNTY - NORTH CENTRAL IOWA
* UNTIL 1215 PM CDT
* SOME TOWNS AFFECTED
NORTHWOOD
VICINITY HIGHWAY 105 MAINLY EAST OF I-35
* AT 1144 AM RADAR INDICATED A SEVERE THUNDERSTORM NEAR INTERSTATE
35...ONE MILE NORTH OF THE IOWA/MINNdESOTA BORDER...OR 25 MILES NORTH
OF MASON CITY MOVING SOUTHEAST AT 25 MPH.
* THIS STORM WILL BE NEAR NORTHWOOD AROUND NOON.
THIS IS A DANGEROUS STORM. DO NOT GO OUTDOORS.
FELDTWhat 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 27, 10:10 AM CDT, 1 hour 39 minutes before
IAZALL-271800- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IOWA 1010 AM CDT THU JUL 27 1995 HAZARD...SEVERE THUNDERSTORMS PRODUCING HAIL AND HIGH WINDS. AREAS OF CONCERN...NORTHEAST IOWA...NORTH OF A LINE FROM FROM MASON CITY TO OLEWEIN...TO DUBUQUE. TIMING DETAILS...DURING THE NEXT 2 HOURS THUNDERSTORMS OVER SOUTHERN MINNESOTA WILL BUILD SOUTH INTO IOWA. METEOROLOGICAL COMMENTS...A STRONG STORM SYSTEM...FOR JULY...IS MOVING THROUGH THE UPPER MIDWEST. THUNDERSTORMS IN SOUTH CENTRAL MINNESOTA WILL MOVE SOUTH ALONG A WARM FRONT INTO NORTHEAST IOWA DURING THE NEXT 2 HOURS. THUNDERSTORMS ARE ALSO EXPECTED TO DEVELOP IN WESTERN IOWA AROUND MIDDAY AHEAD OF A COLD FRONT MOVING INTO THE STATE. PRECAUTIONS...PEOPLE IN NORTHEAST IOWA...ESPECIALLY THOSE BORDERING MINNESOTA SHOULD BE ON THE LOOKOUT FOR SEVERE WEATHER DURING THE LATE MORNING HOURS. TIMING OF THUDERSTORMS OVER WESTERN IOWA IS MORE UNCERTAIN. RIGHT NOW THE BEST CHANCE APPEARS TO BE AROUND MIDDAY. PEOPLE IN THIS AREA SHOULD CONTINUE TO MONITOR LATER STATEMENTS. THE NEXT OUTLOOK WILL BE ISSUED AROUND NOON...UNLESS A WATCH OR WARNING IS ISSUED. BELLES
Special weather statement, Jul 27, 10:11 AM CDT, 1 hour 38 minutes before
IAZALL-271800- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IOWA 1010 AM CDT THU JUL 27 1995 HAZARD...SEVERE THUNDERSTORMS PRODUCING HAIL AND HIGH WINDS. AREAS OF CONCERN...NORTHEAST IOWA...NORTH OF A LINE FROM FROM MASON CITY TO OLEWEIN...TO DUBUQUE. TIMING DETAILS...DURING THE NEXT 2 HOURS THUNDERSTORMS OVER SOUTHERN MINNESOTA WILL BUILD SOUTH INTO IOWA. METEOROLOGICAL COMMENTS...A STRONG STORM SYSTEM...FOR JULY...IS MOVING THROUGH THE UPPER MIDWEST. THUNDERSTORMS IN SOUTH CENTRAL MINNESOTA WILL MOVE SOUTH ALONG A WARM INTO NORTHEAST IOWA DURING THE NEXT 2 HOURS. THUNDERSTORMS ARE ALSO EXPECTED TO DEVELOP IN WESTERN IOWA AROUND MIDDAY AHEAD OF A COLD FRONT MOVING INTO THE STATE. PRECAUTIONS...PEOPLE IN NORTHEAST IOWA...ESPECIALLY THOSE BORDERING MINNESOTA SHOULD BE ON THE LOOKOUT FOR SEVERE WEATHER DURING THE LATE MORNING HOURS. TIMING OF THUDERSTORMS OVER WESTERN IOWA IS MORE UNCERTAIN. RIGHT NOW TH E BEST CHANCE APPEARS TO BE AROUND MIDDAY. PEOPLE IN THIS AREA SHOULD CONTINUE TO MONITOR LATER STATEMENTS. THE NEXT OUTLOOK WILL BE ISSUED AROUND NOON...UNLESS A WATCH OR WARNING IS ISSUED. BELLES
Special weather statement, Jul 27, 10:18 AM CDT, 1 hour 31 minutes before
IAZALL-271800- IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IOWA 1010 AM CDT THU JUL 27 1995 HAZARD...SEVERE THUNDERSTORMS PRODUCING HAIL AND HIGH WINDS. AREAS OF CONCERN...NORTHEAST IOWA...NORTH OF A LINE FROM FROM MASON CITY TO OLEWEIN...TO DUBUQUE. TIMING DETAILS...DURING THE NEXT 2 HOURS THUNDERSTORMS OVER SOUTHERN MINNESOTA WILL BUILD SOUTH INTO IOWA. METEOROLOGICAL COMMENTS...A STRONG STORM SYSTEM...FOR JULY...IS MOVING THROUGH THE UPPER MIDWEST. THUNDERSTORMS IN SOUTH CENTRAL MINNESOTA WILL MOVE SOUTH ALONG A WARM FRONT INTO NORTHEAST IOWA DURING THE NEXT 2 HOURS. THUNDERSTORMS ARE ALSO EXPECTED TO DEVELOP IN WESTERN IOWA AROUND MIDDAY AHEAD OF A COLD FRONT MOVING INTO THE STATE. PRECAUTIONS...PEOPLE IN NORTHEAST IOWA...ESPECIALLY THOSE BORDERING MINNESOTA SHOULD BE ON THE LOOKOUT FOR SEVERE WEATHER DURING THE LATE MORNING HOURS. TIMING OF THUDERSTORMS OVER WESTERN IOWA IS MORE UNCERTAIN. RIGHT NOW THE BEST CHANCE APPEARS TO BE AROUND MIDDAY. PEOPLE IN THIS AREA SHOULD CONTINUE TO MONITOR LATER STATEMENTS. THE NEXT OUTLOOK WILL BE ISSUED AROUND NOON...UNLESS A WATCH OR WARNING IS ISSUED. BELLES
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 11:35 AM CDT | Severe Thunderstorm Warning | DMX | Mitchell | 25 min |
| Jul 27, 12:03 PM CDT | Severe Thunderstorm Warning | DMX | Mitchell | 27 min |
| Jul 27, 12:25 PM CDT | Severe Thunderstorm Warning | DMX | Mitchell | 50 min |
| Jul 27, 12:36 PM CDT | Severe Thunderstorm Warning | DMX | Howard | 39 min |
| Jul 27, 1:52 PM CDT | Severe Thunderstorm Warning | DMX | Chickasaw, Fayette, Winneshiek | 38 min |
| Jul 27, 2:18 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 93 min |
| Jul 27, 2:44 PM CDT | Severe Thunderstorm Warning | DMX | Fayette | 46 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.