Alert archive / Iowa / Tornado Warnings in 2002

Tornado Warning 23, NWS Des Moines, IA

July 26, 2002Taylor County, Iowa

NWS Des Moines, IA issued this tornado warning at Jul 26, 2002, 8:58 PM CDT for Taylor County, Iowa. It was in force for 47 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 26, 2002, 8:58 PM CDT (01:58 UTC)
Expired
Jul 26, 2002, 9:45 PM CDT
In force
47 min
Issued by
NWS Des Moines, IA
Area
Counties, with a storm outline in the text

County Taylor County, IA

What was reported inside it

TimeReportWhereRemark
Jul 26, 9:00 PM CDTHail 1.75New Market, IA
Jul 26, 9:00 PM CDTHail 1New Market, IA
Jul 26, 9:00 PM CDTHail 1.75Bedford, IA
Jul 26, 9:07 PM CDTHail 1Bedford, IA
Jul 26, 9:07 PM CDTHail 1New Market, IA
Jul 26, 9:20 PM CDTHail 1.75Bedford, IA
Jul 26, 9:20 PM CDTHail 1Bedford, IA
Jul 26, 9:29 PM CDTTornado F1New Market, IATouched down in open country with intermittent track. Did some damage to a house east of Bedford.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 26, 5:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.0 hours before the alert went out and 152 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, Omaha, NE at 00:00Z on 2002-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2002-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1831 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

301 
WFUS53 KDMX 270158
TORDSM
IAC173-270245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
857 PM CDT FRI JUL 26 2002

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN TAYLOR COUNTY IN SOUTHWEST IOWA

* UNTIL 945 PM CDT

* AT 856 PM...RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO 8 MILES SOUTH OF NEW MARKET...OR ABOUT 66 MILES SOUTHEAST
  OF COUNCIL BLUFFS...MOVING EAST AT 25 MPH.

* THE STORM WILL BE...
  6 MILES SOUTH OF BEDFORD AROUND 915 PM AND
  5 MILES SOUTH OF BLOCKTON AROUND 945 PM.

THE TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FOR 
TAYLOR WHICH WAS IN EFFECT UNTIL 930 PM. 

THIS IS A HAZARDOUS SITUATION. SEEK SHELTER IN A BASEMENT...OR IN AN
INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE OUTSIDE OR IN A
CAR...SEEK SHELTER IN A REINFORCED BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM FRIDAY EVENING FOR
SOUTHWESTERN IOWA.

LAT...LON 4080 9493 4059 9495 4057 9449 4077 9449

JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:30 PM CDTSevere Thunderstorm WarningDMXTaylor60 min
Jul 26, 10:24 PM CDTSevere Thunderstorm WarningDMXMarion36 min
Jul 26, 11:43 PM CDTSevere Thunderstorm WarningDMXJasper47 min

Nearby

Tornado Warnings in Iowa, 2002Every tornado warning in 2002Tornadoes in 2002

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.