Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 21, NWS Duluth, MN

May 19, 1996Koochiching County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at May 19, 1996, 7:00 PM CDT for Koochiching County, Minnesota. It was in force for 60 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 19, 1996, 7:00 PM CDT (00:00 UTC)
Expired: May 19, 1996, 8:00 PM CDT
In force: 60 min
Issued by: NWS Duluth, MN
Area: Whole counties

County Koochiching County, MN

The radar

The Duluth radar (KDLH), 196 km from the middle of the area, began a volume at 00:02 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.

What was reported inside it

Time	Report	Where	Remark
May 19, 7:25 PM CDT	Hail 0.75	Mizpah, MN
May 19, 7:39 PM CDT	Hail 0.75	Margie, MN

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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.0 hours before the alert went out and 378 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2068 m above ground
0-6 km bulk shear: 88 kt
0-1 km storm-relative helicity: -94 m²/s²
0-3 km storm-relative helicity: -17 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 KDLH 200002
SVRDLH
MNC071-200100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DULUTH MN
700 PM CDT SUN MAY 19 1996
 
THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MINNESOTA
 
   ...NORTHERN KOOCHICHING COUNTY
 
AT 700 PM CDT...DULUTH RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 55
MILES WEST OF INTERNATIONAL FALLS. THE MAIN THREAT WITH THIS STORM WILL
BE LARGE HAIL AND DAMAGING WINDS.
 
THE SEVERE STORM WAS MOVING TO THE EAST AT 45 MPH AND WILL AFFECT THE
FOLLOWING LOCATIONS...
 
...LOMAN BY 735 PM.
...LITTLE FORK AND PELLAND BY 745 PM.
...ERICSBURG AND INTERNATIONAL FALLS BY 800 PM.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOORH
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
SHIMON
 
&

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 7:29 PM CDT	Severe Thunderstorm Warning	DLH	Itasca, Koochiching	61 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1996 Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.