Alert archive / Iowa / Tornado Warnings in 1995

Tornado Warning 39, NWS Des Moines, IA

July 8, 1995Wright County, Iowa

NWS Des Moines, IA issued this tornado warning at Jul 8, 1995, 9:33 PM CDT for Wright County, Iowa. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1995, 9:33 PM CDT (02:33 UTC)
Expired
Jul 8, 1995, 10:05 PM CDT
In force
32 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Wright County, IA

The radar

The Des Moines radar (KDMX), 111 km from the middle of the area, began a volume at 02:37 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

Minneapolis, MN (KMPX), launched 00:00Z, 2.6 hours before the alert went out and 236 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 1995-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1496 joules per kilogram.LCLEL10008507005003002001001 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 1995-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
1496 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1043 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDSM 090233
TORDSM
IAC197-090305-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
933 PM CDT SAT JUL 8 1995

* TORNADO WARNING FOR
  EASTERN WRIGHT COUNTY - NORTH CENTRAL IOWA

* UNTIL 1005 PM CDT
 
* SOME TOWNS AFFECTED
    ROWAN
    BELMOND

* AT 931 PM CDT RADAR INDICATED A TORNADO 5 MILES NORTHEAST OF
  BELMOND OR 30 MILES SOUTHWEST OF MASON CITY MOVING SOUTH AT 25
  MPH.

* THE STORM WILL BE ROWAN BY 943 PM CD[T.

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

FORSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 9:27 PM CDTSevere Thunderstorm WarningDMXFranklin, Wright33 min
Jul 8, 10:04 PM CDTSevere Thunderstorm WarningDMXWright31 min
Jul 8, 10:17 PM CDTSevere Thunderstorm WarningDMXHamilton43 min
Jul 8, 10:49 PM CDTTornado WarningDMXHamilton31 min
Jul 8, 11:19 PM CDTSevere Thunderstorm WarningDMXStory46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.