Alert archive / Iowa / Tornado Warnings in 2001

Tornado Warning 54, NWS Des Moines, IA

June 13, 2001Emmet County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 13, 2001, 9:41 PM CDT for Emmet County, Iowa. It was in force for 24 min. 3 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 13, 2001, 9:41 PM CDT (02:41 UTC)
Expired: Jun 13, 2001, 10:05 PM CDT
In force: 24 min
Issued by: NWS Des Moines, IA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Emmet County, IA

What was reported inside it

Time	Report	Where
Jun 13, 9:57 PM CDT	Thunderstorm Wind 65 M	Estherville, IA
Jun 13, 9:57 PM CDT	Thunderstorm Wind 50 M	Estherville Arpt, IA
Jun 13, 10:03 PM CDT	Thunderstorm Wind 52 E	Superior, 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 13, 7:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.7 hours before the alert went out and 184 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: 4556 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 989 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 20.8

Open this sounding in Storm Lab

The text

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

057 
WFUS53 KDMX 140241
TORDSM
IAC063-140305-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
941 PM CDT WED JUN 13 2001

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN EMMET COUNTY IN NORTHWEST IOWA

* UNTIL 1005 PM CDT

* AT 938 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 23 MILES SOUTHWEST OF ESTHERVILLE...OR ABOUT OVER
  SPENCER...MOVING NORTHEAST AT 65 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM THURSDAY MORNING FOR
NORTHWEST IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT
THURSDAY MORNING FOR WEST CENTRAL IOWA.

LAT...LON 4329 9514 4316 9496 4363 9424 4380 9446

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 10:06 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	24 min
Jun 13, 10:15 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	30 min
Jun 13, 10:50 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	25 min
Jun 13, 10:54 PM CDT	Severe Thunderstorm Warning	DMX	Sac	26 min
Jun 13, 11:22 PM CDT	Severe Thunderstorm Warning	DMX	Sac	18 min
Jun 14, 9:00 AM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	30 min
Jun 14, 9:26 AM CDT	Severe Thunderstorm Warning	DMX	Jasper	29 min
Jun 14, 2:31 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold	34 min
Jun 14, 2:45 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	35 min
Jun 14, 2:59 PM CDT	Tornado Warning	DMX	Decatur, Ringgold	31 min
Jun 14, 3:10 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Wayne	40 min
Jun 14, 3:19 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	31 min
Jun 14, 3:39 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	41 min
Jun 14, 3:43 PM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	42 min
Jun 14, 3:53 PM CDT	Severe Thunderstorm Warning	DMX	Davis	32 min
Jun 14, 4:08 PM CDT	Severe Thunderstorm Warning	DMX	Jasper	32 min
Jun 14, 4:14 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	46 min
Jun 14, 4:37 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	28 min
Jun 14, 4:49 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek	41 min

Nearby

Tornado Warnings in Iowa, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.