Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 70, NWS Des Moines, IA

July 8, 1995Adair County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jul 8, 1995, 2:09 AM CDT for Adair County, Iowa. It was in force for 31 min.

The area

The counties it named.

The facts

Issued: Jul 8, 1995, 2:09 AM CDT (07:09 UTC)
Expired: Jul 8, 1995, 2:40 AM CDT
In force: 31 min
Issued by: NWS Des Moines, IA
Area: Whole counties

County Adair County, IA

The radar

The Des Moines radar (KDMX), 77 km from the middle of the area, began a volume at 07:10 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, 7.2 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 785 J/kg
Mixed-layer CIN: -272 J/kg
Mixed-layer LCL: 1648 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 295 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 080709 RRA
SVRDSM
IAC001-080740-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
209 AM CDT SAT JUL 8 1995

* SEVERE THUNDERSTORM WARNING FOR
  ADAIR COUNTY - SOUTHWEST IOWA

* UNTIL 240 AM CDT
 
* SOME TOWNS AFFECTED
    GREENFIELD

* AT 207 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 45 SOUTHWEST OF
  DES MOINES OR 15 MILES NORTH OF GREENFIELD MOVING SOUTHEAST AT 25 MPH.

* THE STORM WILL BE GREENFIELD BY 225 AM.

  THIS IS VERY A DANGEROUS STORM.  TWO INCH DIAMETER HAIL IS LIKELY.
  TAKE COVER.

PYTLAK

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, Jul 7, 10:57 PM CDT, 3 hours 12 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1057 PM CDT FRI JUL 7 1995

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

2134 CDT    1 W OF BENTON              IA     1 INCH HAIL
07/07/95    RINGGOLD COUNTY

2140 CDT    DELPHOS                    IA     0.50 INCH HAIL
07/04/95    RINGGOLD COUNTY

2140 CDT    2 SW OF BENTON             IA     0.75 INCH HAIL
07/07/95    RINGGOLD COUNTY

2204 CDT    1 W OF BENTON              IA     1 INCH HAIL
07/07/95    RINGGOLD COUNTY

BAILEY
/

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 9:36 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	29 min
Jul 7, 10:05 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	10 min
Jul 8, 12:49 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	21 min
Jul 8, 1:48 AM CDT	Severe Thunderstorm Warning	DMX	Adair	22 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1995 Every 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.