Alert archive / Iowa / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 63, NWS La Crosse, WI

June 1, 2000Chickasaw County, Iowa

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 1, 2000, 12:14 AM CDT for Chickasaw County, Iowa. It was in force for 61 min. No storm report in the archive falls 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.

The facts

Issued: Jun 1, 2000, 12:14 AM CDT (05:14 UTC)
Expired: Jun 1, 2000, 1:15 AM CDT
In force: 61 min
Issued by: NWS La Crosse, WI
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Chickasaw County, IA

The watch it was issued in

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

Issued	Product	Office	Lasted
May 31, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 5.2 hours before the alert went out and 220 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: 1028 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 339 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KARX 010515
SVRLSE
IAC037-010615-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1214 AM CDT THU JUN 1 2000

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHICKASAW COUNTY IN NORTHEAST IOWA

* UNTIL 115 AM CDT

* AT 1214 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHWEST OF SAUDE...OR ABOUT 12 MILES
  NORTH OF NEW HAMPTON. THIS ACTIVITY WAS MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR SAUDE AT 1225 AM CDT
  NEAR LAWLER AND LITTLE TURKEY AT 1240 AM CDT

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR
YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

NELSON

LAT...LON 4322 9208 4322 9254 4293 9254 4293 9208

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 8:30 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	45 min
May 31, 9:07 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	53 min
May 31, 10:00 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	60 min
May 31, 10:27 PM CDT	Flash Flood Warning	ARX	Mitchell	5 hr
May 31, 10:35 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	55 min
May 31, 10:49 PM CDT	Flash Flood Warning	ARX	Howard	4 hr
Jun 1, 12:02 AM CDT	Severe Thunderstorm Warning	ARX	Howard, Mitchell	58 min
Jun 1, 12:22 AM CDT	Flash Flood Warning	ARX	Allamakee, Winneshiek	6 hr
Jun 1, 1:35 AM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	55 min
Jun 1, 6:02 AM CDT	Flash Flood Warning	ARX	Allamakee	4 hr

Nearby

Severe Thunderstorm Warnings in Iowa, 2000 Every severe thunderstorm warning in 2000

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.