Alert archive / Iowa / Tornado Warnings in 1995
Tornado Warning 10, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 27, 1995, 8:13 PM CDT for Calhoun County, Sac County, Iowa. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1995, 8:13 PM CDT (01:13 UTC)
- Expired
- May 27, 1995, 8:45 PM CDT
- In force
- 32 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Calhoun County, IA, Sac County, IA
The radar
The Des Moines radar (KDMX), 120 km from the middle of the area, began a volume at 01:15 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 00:00Z, 1.2 hours before the alert went out and 172 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
- 1010 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 280116
TORDSM
IAC025-161-280145-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
813 PM CDT SAT MAY 27 1995
* TORNADO WARNING FOR
EXTREME WESTERN CALHOUN COUNTY - WEST CENTRAL IOWA
EXTREME EASTERN SAC COUNTY - WEST CENTRAL IOWA
* UNTIL 845 PM CDT
* SOME TOWNS AFFECTED
YETTER
LYTON
SAC CITY
* AT 807 PM CDT LOCAL LAW ENFORCEMENT REPORTED A TORNADO 35 MILES WEST
OF FORT DODGE NEAR LYTON MOVING NORTH AT 20 MPH.
* THE STORM WILL BE NEAR SAC CITY BY 835 PM.
IF YOU ARE NEAR THIS DANGEROUS STORM...TAKE COVER IMMEDIATELY IN THE
LOWEST FLOOR AND INNER MOST ROOM OF A BUILDING.
MS MAY 95
SEEK SHELTER INDOORS WHEN THUNDERSTORMS APPROA CH. ALL THUNDERSTORMS
CAN PRODUCE DANGEROUS CLOUD-TO-GROUND LIGHTNING.What 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, May 27, 4:35 PM CDT, 3 hours 38 minutes before
IAZALL-272300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IOWA 435 PM CDT SAT MAY 27 1995 HAZARD...SEVERE THUNDERSTORMS WHICH COULD BE TORNADIC IN SOUTHWEST IOWA. AREA OF CONCERN...SOUTHWEST IOWA....ROUGHLY SOUTHWEST OF A LINE FROM SIOUX CITY TO LAMONI. TIMING AND DETAILS...THUNDERSTORMS COULD DEVELOP AT ANYTIME...FROM NOW THROUGH THIS EVENING. METEOROLOGICAL COMMENTS...VERY UNSTABLE AIR HAS MOVED INTO SOUTHWEST IOWA ALONG WITH A WARM FRONT WHICH IS NOW LOCATED FROM COUNCIL BLUFFS TO OSCEOLA. PRECAUTIONS...SPOTTER GROUPS SHOULD CONCIDER ACTIVATION IN SOUTHWEST IOWA. A TORNADO WATCH IS IN EFFECT UNTIL 8 PM IN WESTERN IOWA. WATCHES MAY BE EXPENADED FARTHER EAST DURING THE NEXT FEW HOURS. LISTEN FOR LATER STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. BELLES
Special weather statement, May 27, 6:29 PM CDT, 1 hour 44 minutes before
IAZALL-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IOWA 628 PM CDT SAT MAY 27 1995 THE TORNADO WATCH FOR A SMALL PART OF WESTERN IOWA VALID UNTIL 800 PM THIS EVENING HAS BEEN REPLACED BY A NEW TORNADO WATCH. HENCE... TORNADO WATCH NUMBER 482 HAS BEEN CANCELLED...TORNADO WATCH NUMBER 484 VALID UNTIL 100 AM CDT SUNDAY COVERS ABOUT THE WEST HALF OF THE STATE. A LINE OF STRONG...OCCASIONALLY SEVERE...THUNDERSTORMS WAS DEVTELOPING EAST INTO IOWA. THE LINE EXTENDED ALONG THE MISSOURI RIVER AT 625 PM THIS EVENING. THE INDIVIDUAL STORMS WERE MOVING NORTH AROUND 40 MPH WHILE THE LINE IS WORKING EAST AT ABOUT 15 MPH. MS MAY 95
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:17 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Sac | 28 min |
| May 27, 7:23 PM CDT | Tornado Warning | DMX | Carroll, Sac | 22 min |
| May 27, 7:41 PM CDT | Tornado Warning | DMX | Calhoun, Sac | 34 min |
| May 27, 7:57 PM CDT | Tornado Warning | DMX | Adair, Union | 33 min |
| May 27, 8:03 PM CDT | Tornado Warning | DMX | Cass | 32 min |
| May 27, 8:07 PM CDT | Tornado Warning | DMX | Crawford | 18 min |
| May 27, 8:18 PM CDT | Tornado Warning | DMX | Carroll | 32 min |
| May 27, 8:20 PM CDT | Tornado Warning | DMX | Greene, Guthrie | 35 min |
| May 27, 8:25 PM CDT | Tornado Warning | DMX | Adair | 35 min |
| May 27, 8:47 PM CDT | Tornado Warning | DMX | Pocahontas | 33 min |
| May 27, 8:49 PM CDT | Tornado Warning | DMX | Guthrie | 36 min |
| May 27, 8:51 PM CDT | Tornado Warning | DMX | Carroll | 34 min |
| May 27, 8:59 PM CDT | Tornado Warning | DMX | Dallas | 31 min |
| May 27, 9:02 PM CDT | Tornado Warning | DMX | Calhoun, Sac | 16 min |
| May 27, 9:05 PM CDT | Tornado Warning | DMX | Greene | 35 min |
| May 27, 9:11 PM CDT | Tornado Warning | DMX | Greene | 29 min |
| May 27, 9:20 PM CDT | Tornado Warning | DMX | Calhoun, Webster | 25 min |
| May 27, 9:32 PM CDT | Tornado Warning | DMX | Adams, Union | 28 min |
| May 27, 9:44 PM CDT | Tornado Warning | DMX | Webster | 31 min |
| May 27, 9:59 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 31 min |
| May 27, 10:11 PM CDT | Tornado Warning | DMX | Decatur, Ringgold | 34 min |
| May 27, 10:26 PM CDT | Tornado Warning | DMX | Dallas | 34 min |
| May 27, 10:31 PM CDT | Tornado Warning | DMX | Decatur | 29 min |
| May 27, 10:56 PM CDT | Tornado Warning | DMX | Decatur | 15 min |
| May 27, 10:56 PM CDT | Tornado Warning | DMX | Clarke | 34 min |
| May 27, 11:35 PM CDT | Tornado Warning | DMX | Boone | 35 min |
| May 28, 1:19 AM CDT | Flash Flood Warning | DMX | Guthrie | 2 hr |
Nearby
Tornado Warnings in Iowa, 1995Every tornado warning in 1995Tornadoes 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.