Alert archive / Iowa / Tornado Warnings in 1993
Tornado Warning 20, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jul 2, 1993, 7:06 PM CDT for Iowa County, Iowa. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 7:06 PM CDT (00:06 UTC)
- Expired
- Jul 2, 1993, 7:30 PM CDT
- In force
- 24 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Iowa County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.1 hours before the alert went out and 361 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
- 1184 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 882 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 030007 TORDSM IAC095-030030- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 706 PM CDT FRI JUL 2 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN EAST CENTRAL IOWA ...WEST CENTRAL IOWA COUNTY AT 701 PM...IOWA COUNTY LAW ENFORCEMENT OFFICIALS REPORTED A FUNNEL CLOUD 40 MILES WEST OF IOWA CITY...JUST SOUTH OF INTERSTATE 80 NEAR THE 205 MILE MARKER. THIS FUNNEL HAD ALREADY TOUCHED DOWN ONCE...AND MAY DO SO AGAIN BDFORE 715 PM AS THE STORM HEADS EAST AT 25 MILES AN HOUR. IF YOU ARE TRAVELLING ALONG I-80 BETWEEN MILE MARKERS 205 AND 216 WEST OF WILLIAMSBURG...YOU SHOULD BE PREPARED TO LEAVE YOUR VEHICLE AND TAKE COVER SHOULD A TORNADO APPROACH. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. &
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, Jul 2, 5:09 PM CDT, 1 hour 57 minutes before
SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE DES MOINES IA 510 PM CDT FRI JUL 2 1993 ...FUNNEL CLOUD SIGHTINGS IN CENTRAL IOWA... FUNNEL CLOUDS HAVE BEEN SIGHTED DURING THE PAST HOUR IN JASPER COUNTY NEAR KILDUFF AND MARION COUNTY NEAR PELLA. NONE HAVE TOUCHED DOWN SO FAR AND NO DAMAGE HAS BEEN REPORTED. PEOPLE IN THE AREA SHOULD NOT BECOME UNDULY ALARMED BUT SHOULD REMAIN ON THE ALERT AND MOVE TO A PLACE OF SAFETY IF A FUNNEL APPROACHES lTHE GROUND..OR A LOCAL WARNING IS ISSUED. FORSTER
Special weather statement, Jul 2, 5:10 PM CDT, 1 hour 56 minutes before
SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE DES MOINES IA 510 PM CDT FRI JUL 2 1993 ...FUNNEL CLOUD SIGHTINGS IN CENTRAL IOWA... FUNNEL CLOUDS HAVE BEEN SIGHTED DURING THE PAST HOUR IN JASPER COUNTY NEAR KILDUFF AND MARION COUNTY NEAR PELLA. NONE HAVE TOUCHED DOWN SO FAR AND NO DAMAGE HAS BEEN REPORTED. PEOPLE IN THE AREA SHOULD NOT BECOME UNDULY ALARMED BUT SHOULD REMAIN ON THE ALERT AND MOVE TO A PLACE OF SAFETY IF A FUNNEL APPROACHES THE GROUND..OR A LOCAL WARNING IS ISSUED. FORSTER lZ>z+ 6WWUS> ?6WWUS `,q`WWUS \ N6WWUSP 0 WUUS |6WWUS $WWUS WWUSV )`WWUS $y6WWUS d`WWUSd WUUS a`WWUS 96WWUS <WWUS fWWUS6 l 6WWUS& I`WWUS @-b6WWUS `2WWCA x=g6WWUSh P/86WWUS 4AZ009-0304002F`>,2GBf6WWUSn gf6WWUS $o6WWUS( (|WWUS u 6WWUS q6WWUS| dy WUUS F6WWUS D `WWUS4 tV`WWUS ~6WWUS0 g WUUS. <E6WWUS: XWOUS p_6WWUSH D\7WWUS\ X6WWUS x|6WWUS o WUUS hZ&6WWUS p WUUS\ 4S6WWUSb 2F`>,2OLER WIT GBf6WWUS pERSTORMS. HIGHSF6WWUS R OF THE HOLIDAY...ST CH OF AFTERNOON ANEVENING THUNDERSS. LOWS IN THE D `WWUS4 tV`WWUSr d U800S N MONTROSE LE6WWUS: XWOUS p_6WWUSH D\7WWUS\ X6WWUS xONIG.CLEAR..Z&6WWUS S6WWUSb ST WINDS 15 TOMPH IN MANY AREAS.
Nearby
Tornado Warnings in Iowa, 1993Every tornado warning in 1993Tornadoes in 1993
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.