Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 50, NWS Des Moines, IA

June 22, 1995Palo Alto County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 22, 1995, 1:30 AM CDT for Palo Alto County, Iowa. It was in force for 21 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1995, 1:30 AM CDT (06:30 UTC)
Expired
Jun 22, 1995, 1:51 AM CDT
In force
21 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Palo Alto County, IA

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.5 hours before the alert went out and 215 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 1995-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 227 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1995-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939Sfc1 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
227 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2368 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDSM 220629 RRA
SVRDSM
IAC147-220700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
130 AM CDT THU JUN 22 1995

* SEVERE THUNDERSTORM WARNING FOR
  NORTHWESTERN PALO ALTO COUNTY - NORTH CENTRAL IOWA

* UNTIL 200 AM CDT
 
* SOME TOWNS AFFECTED
    GRAETTINGER
    RUTHVEN

* AT 125 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR RUTHVEN...15
  MILES EAST OF SPENCER MOVING NORTH AT 25 MPH.

* THE STORM, WILL BE OVER OPEN FARMLAND WEST OF GRAETTINGER THROUGH 200
  AM.

THIS IS A DANGEROUS STORM.  DO NOT GO OUTDOORS.




MS JUN 95

What 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

Local storm report, Jun 22, 12:24 AM CDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1224 AM CDT THU JUN 22 1995

TIME(CDT)   .....CITY LOCATION.....  ST   ...EVENT/REMARKS...
DATE(CDT)   ....COUNTY LOCATION....

2318 CDT   EMMETSBURG                IA   70 MPH WINDS AND HALF INCH
06/21/95   PALO ALTO COUNTY               DIAMETER HAIL.  NUMEROUS
                                          TREE LIMBS DOWN.  BASEMENTS
                                          FLOODED WITH 1 INCH OR RAIN
                                          IN UNDER AN HOUR.  HIGH WINDS
                                          RESULTED IN CONSIDERABLE
                                          DRIFTING OF HAIL.

MS JUN 95
Local storm report, Jun 22, 12:25 AM CDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1224 AM CDT THU JUN 22 1995

TIME(CDT)   .....CITY LOCATION.....  ST   ...EVENT/REMARKS...
DATE(CDT)   ....COUNTY LOCATION....

2318 CDT   EMMETSBURG                IA   70 MPH WINDS AND HALF INCH
06/21/95   PALO ALTO COUNTY               DIAMETER HAIL.  NUMEROUS
                                          TREE LIMBS DOWN.  BASEMENTS
                                          FLOODED WITH 1 INCH OR RAIN
                                          IN UNDER AN HOUR.  HIGH WINDS
                                          RESULTED IN CONSIDERABLE
                                          DRIFTING OF HAIL.

MS JUN 95

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 1:36 AM CDTSevere Thunderstorm WarningDMXEmmet34 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.