Alert archive / Iowa / Tornado Warnings in 1995

Tornado Warning 43, NWS Des Moines, IA

August 13, 1995Emmet County, Iowa

NWS Des Moines, IA issued this tornado warning at Aug 13, 1995, 9:29 PM CDT for Emmet County, Iowa. It was in force for 16 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 13, 1995, 9:29 PM CDT (02:29 UTC)
Expired
Aug 13, 1995, 9:45 PM CDT
In force
16 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Emmet County, IA

What was reported inside it

TimeReportWhereRemark
Aug 13, 9:44 PM CDTTornado F0Swea City, IA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 185 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 1995-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1246 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1995-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1246 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDSM 140229
TORDSM
IAC063-140245-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
929 PM CDT SUN AUG 13 1995

* TORNADO WARNING FOR
  EASTERN EMMET COUNTY - NORTHWEST IOWA

* UNTIL 945 PM CDT
 
* SOME TOWNS AFFECTED
    RINGSTEAD
    ARMSTRONG

* AT 927 PM CDT RADAR INDICATED A TORNADO 30 NORTHEAST OF SPENCER
  MOVING NORTHEAST 10 MPH.

* THE STORM WILL BE RINGSTEAD 930 PM .

IF YOU ARE NEAR THIS DANGEROUS STORM.. .TAKE COVER IMMEDIATELY IN THE
LOWEST FLOOR AND INNER MOST ROOM OF A BUILDING.

FORSTER

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, Aug 13, 3:42 PM CDT, 5 hours 47 minutes before
IAZALL-140200-

IOWA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
342 PM CDT SUN AUG 13 1995

HAZARD...ISOLATED SEVERE THUNDERSTORMS WITH DOWNBURST WINDS IN EXCESS
OF 60 MPH.

AREA OF CONCERN...THE NORTHWEST TWO-THIRDS OF IOWA...MAINLY NORTHWEST
OF A DUBUQUE TO SHENANDOAH LINE.

TIMING DETAILS...THE GREATEST RISK OF DAMAGING WINDS WILL BE FROM
AROUND 800 PM UNTIL MIDNIGHT IN NORTHWEST IOWA. FURTHER SOUTHEAST...
THE RISK WILL EXTEND FROM ABOUT 1000 PM UNTIL 200 AM.

METEOROLOGICAL COMMENTS...A VIGOROUS COLD FRONT ENTERING IOWA TONIGHT
WILL BE ENOUGH TO BREAK A MID LEVEL TEMPERATURE INVERSION OVER IOWA.
WINDS ABOUT 3000 FT UP WILL INCREASE TO 50 MPH BY MIDNIGHT...SO ANY
THUNDERSTORM DOWNBURSTS COULD APPROACH SEVERE LEVELS. THE ATMOSPHERE
WILL ALSO BE VERY UNSTABLE WITH LIFTED INDEX VALUES BETWEEN -6 AND -10
FOR MUCH OF THE EVENING. ONE LIMITING FACTOR IS THAT THE MOST
IMPRESSIVE DYNAMICS WILL REMAIN NORTH...SO ANY SEVERE WIND GUSTS WILL
BE ISOLATED OVER IOWA. EVEN THOUGH THE ATMOSPHERE IS EXTREMELY MOIST
OVERALL...THE FAST MOVEMENT OF THE STORMS WILL HOLD DOWN THE FLASH
FLOOD POTENTIAL. LARGE HAIL IS NOT A BIG CONCERN TONIGHT BECAUSE
TEMPERATURES ALOFT ARE SO WARM AHEAD OF THE FRONT.

PRECAUTIONS...DAMAGING WINDS ARE INHERENTLY HARDER FOR SPOTTERS TO
TRACK AT NIGHT. ANY DOWNBURSTS WILL ALSO BE SHORT-LIVED. EMERGENCY
MANAGERS SHOULD KEEP THIS IN MIND IF SPOTTER ACTIVATION IS NEEDED
TONIGHT. PEOPLE WITH OUTDOOR ACTIVITIES BEFORE SUNSET SHOULD
EXPERIENCE NO PROBLEMS...BUT IT WOULD BE WISE TO KEEP AN EYE ON THE
SKY...ESPECIALLY OVER THE FAR NORTHWEST.

PYTLAK
Special weather statement, Aug 13, 6:25 PM CDT, 3 hours 4 minutes before
IAZALL-140300-

IOWA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
630 PM CDT SUN AUG 13 1995

HAZARD...ISOLATED SEVERE THUNDERSTORMS WITH DOWNBURST WINDS IN EXCESS
OF 60 MPH.

AREA OF CONCERN...THE NORTHWEST TWO-THIRDS OF IOWA...MAINLY NORTHWEST
OF A DUBUQUE TO SHENANDOAH LINE.

TIMING DETAILS...THUNDERSTORMS WERE FORMING OVER EASTERN NEBRASKA
AROUND GRAND ISLAND EARLY THIS EVENING.  THESE THUNDERSTORMS WILL PUSH
INTO WESTERN IOWA BETWEEN 8 AND 10 PM.

METEOROLOGICAL COMMENTS...A STRONG COLD FRONT WILL RACE ACROSS NEBRASKA
THIS EVENING SERVING AS A TRIGGER FOR THUNDERSTORMS.  THE MAIN THREAT
WITH THESE THUNDERSTORMS IS DAMAGING WIND.  THE FRONT IS FORCAST TO PUSH
ACROSS IOWA DURING THE OVERNIGHT HOURS REACHING FROM LAMONI TO CLINTON
BY MORNING.  WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED ALTHOUGH SOME
ISOLATED SEVERE WINDS ARE POSSIBLE ALONG THE FRONT.

PRECAUTIONS...DAMAGING WINDS ARE INHERENTLY HARDER FOR SPOTTERS TO
TRACK AT NIGHT. ANY DOWNBURSTS WILL ALSO BE SHORT-LIVED. EMERGENCY
MANAGERS SHOULD KEEP THIS IN MIND IF SPOTTER ACTIVATION IS NEEDED
TONIGHT. PEOPLE WITH OUTDOOR ACTIVITIES BEFORE SUNSET SHOULD
EXPERIENCE NO PROBLEMS...BUT IT WOULD BE WISE TO KEEP AN EYE ON THE
SKY...ESPECIALLY OVER THE FAR NORTHWEST.

EP/JEB AUG 95
Special weather statement, Aug 13, 6:30 PM CDT, 2 hours 59 minutes before
IAZALL-140300-

IOWA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
630 PM CDT SUN AUG 13 1995

HAZARD...ISOLATED SEVERE THUNDERSTORMS WITH DOWNBURST WINDS IN EXCESS
OF 60 MPH.

AREA OF CONCERN...THE NORTHWEST TWO-THIRDS OF IOWA...MAINLY NORTHWEST
OF A DUBUQUE TO SHENANDOAH LINE.

TIMING DETAILS...THUNDERSTORMS WERE FORMING OVER EASTERN NEBRASKA
AROUND GRAND ISLAND EARLY THIS EVENING.  THESE THUNDERSTORMS WILL PUSH
INTO WESTERN IOWA BETWEEN 8 AND 10 PM.

METEOROLOGICAL COMMENTS...A STRONG COLD FRONT WILL RACE ACROSS NEBRASKA
THIS EVENING SERVING AS A TRIGGER FOR THUNDERSTORMS.  THE MAIN THREAT
WITH THESE THUNDERSTORMS IS DAMAGING WIND.  THE FRONT IS FORCAST TO PUSH
ACROSS IOWA DURING THE OVERNIGHT HOURS REACHING FROM LAMONI TO CLINTON
BY MORNING.  WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED ALTHOUGH SOME
ISOLATED SEVERE WINDS ARE POSSIBLE ALONG THE FRONT.

PRECAUTIONS...DAMAGING WINDS ARE INHERENTLY HARDER FOR SPOTTERS TO
TRACK AT NIGHT. ANY DOWNBURSTS WILL ALSO BE SHORT-LIVED. EMERGENCY
MANAGERS SHOULD KEEP THIS IN MIND IF SPOTTER ACTIVATION IS NEEDED
TONIGHT. PEOPLE WITH OUTDOOR ACTIVITIES BEFORE SUNSET SHOULD
EXPERIENCE NO PROBLEMS...BUT IT WOULD BE WISE TO KEEP AN EYE ON THE
SKY...ESPECIALLY OVER THE FAR NORTHWEST.

EP/JEB AUG 95
Special weather statement, Aug 13, 9:24 PM CDT, 5 minutes before
IAZ004-015-140300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
924 PM CDT SUN AUG 13 1995

...SEVEREE THUNDERSTORMS WARNING FOR PALO ALTO AND EMMET COUNTIES UNTIL
930 PM CDT...

A SPOTTER IN EMMETSBURG REPORTED WINDS BETWEEN 50 AND 60 MILES AN HOUR
AT 915 PM CDT.  THE STORMS WILL HIT RODMAN AND WEST BEND.

 BELLES

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 9:37 PM CDTTornado WarningDMXKossuth23 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.