Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 34, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at May 16, 1995, 1:41 PM CDT for Calhoun County, Iowa. It was in force for 14 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1995, 1:41 PM CDT (18:41 UTC)
- Expired
- May 16, 1995, 1:55 PM CDT
- In force
- 14 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Calhoun County, IA
The radar
The Des Moines radar (KDMX), 105 km from the middle of the area, began a volume at 18:44 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
Omaha, NE (KOAX), launched 12:00Z, 6.7 hours before the alert went out and 186 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
- 243 J/kg
- Mixed-layer CIN
- -564 J/kg
- Mixed-layer LCL
- 1111 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 211 m²/s²
- 0-3 km storm-relative helicity
- 214 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 161842
SVRDSM
IAC025-161855-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
141 PM CDT TUE MAY 16 1995
* SEVERE THUNDERSTORM WARNING FOR
EASTERN CALHOUN COUNTY - WEST CENTRAL IOWA
* UNTIL 215 PM CDT
* SOME TOWNS AFFECTED
ROCKWELL CITY
SOMERS
* AT 140 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR ROCKWELL
CITY OR 25 MILES SOUTHWEST OF FORT DODGE MOVING EAST AT 35 MPH.
* THE STORM WILL BE OVER SOMERS AROUND 2 PM CDT.
THIS IS A DANGEROUS STORM. DO NOT GO OUTDOORS.
JUNGBLUTHWhat 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, May 16, 11:35 AM CDT, 2 hours 6 minutes before
IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IOWA 1130 AM CDT TUE MAY 16 1995 HAZARD... ISOLATED SEVERE THUNDERSTORMS PRODUCING HAIL IN EXCESS OF 1 INCH. AREA OF CONCERN... GENERALLY THE SOUTHERN THIRD OF IOWA...ESPECIALLY SOUTH OF INTERSTATE 80. TIMING DETAILS... BETWEEN 1130 AND 3 PM...SCATTERED THUNDERSTORMS WILL DEVELOP OVER SOUTHERN IOWA...SOME OF WHICH WILL PRODUCE VERY HEAVY RAINFALL. A FEW COULD PRODUCE LARGE HAIL. METEOROLOGICAL COMMENTS... THUNDERSTORMS ARE DEVELOPING IN A WARM AND MOIST AIRMASS ACROSS SOUTHERN IOWA. THIS IS A TYPICAL SUMMERTIME PATTERN WITH THUNDERSTORMS OF A PULSE VARIETY. MUCH OF THE TIME THEY WILL REMAIN BELOW SEVERE LIMITS. A FEW COULD PRODUCE THREE QUARTER PRECAUTIONS... INCH OR LARGER HAIL. IF YOU ARE IN THE PATH OF THESE STORMS BE PREPARED FOR HEAVY RAIN AND HAIL. SEEK SHELTER INDOORS. FAB
Special weather statement, May 16, 11:41 AM CDT, 2 hours before
IOWA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IOWA 1140 AM CDT TUE MAY 16 1995 HAZARD... ISOLATED SEVERE THUNDERSTORMS PRODUCING HAIL IN EXCESS OF ONE INCH. AREA OF CONCERN... GENERALLY THE SOUTHERN QUARTER OF IOWA...ESPECIALLY SOUTH OF INTERSTATE 80. TIMING DETAILS... BETWEEN 1130 AND 3 PM...SCATTERED THUNDERSTORMS WILL DEVELOP OVER SOUTHERN IOWA...SOME OF WHICH WILL PRODUCE VERY HEAVY RAINFALL. A FEW COULD PRODUCE LARGE HAIL. METEOROLOGICAL COMMENTS... THUNDERSTORMS ARE DEVELOPING IN A WARM AND MOIST AIRMASS ACROSS SOUTHERN IOWA. THIS IS A TYPICAL SUMMERTIME PATTERN WITH THUNDERSTORMS OF A PULSE VARIETY. MUCH OF THE TIME THEY WILL REMAIN BELOW SEVERE LIMITS. A FEW COULD PRODUCE THREE QUARTER INCH OR LARGER HAIL. PRECAUTIONS... IF YOU ARE IN THE PATH OF THESE STORMS BE PREPARED FOR HEAVY RAIN AND HAIL AND SEEK SHELTER INDOORS. FAB
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.