Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 49, NWS Grand Forks, ND

June 5, 1996Polk County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 5, 1996, 7:22 PM CDT for Polk County, Minnesota. It was in force for 38 min. 4 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
Jun 5, 1996, 7:22 PM CDT (00:22 UTC)
Expired
Jun 5, 1996, 8:00 PM CDT
In force
38 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 74 km from the middle of the area, began a volume at 00:24 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

TimeReportWhereRemark
Jun 5, 7:30 PM CDTHail 1East Grand Forks, MN
Jun 5, 7:40 PM CDTHail 1East Grand Forks, MN
Jun 5, 7:56 PM CDTTornado F0Fisher, MN
Jun 5, 8:05 PM CDTTornado F0Fisher, 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

International Fa, MN (KINL), launched 00:00Z, 0.4 hours before the alert went out and 246 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, International Fa, MN at 00:00Z on 1996-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, International Fa, MN at 00:00Z on 1996-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.1939Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
401 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 KFAR 060023
SVRFAR
MNC119-060100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND
722 PM CDT WED JUN 5 1996
 
THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST MINNESOTA
 
   ...WESTERN POLK COUNTY
 
AT 721 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 2
MILES SOUTHEAST OF MANVEL...OR 10 MILES NORTH OF GRAND FORKS...MOVING TO
THE SOUTHEAST AT 20 MPH. CITIES IN THE PATH OF THE STORM ARE FISHER AND
CROOKSTON. DIME SIZE HAIL HAS BEEN REPORTED WITH THIS STORM.
 
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
&
NG

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 7:17 PM CDTSevere Thunderstorm WarningFGFWadena43 min
Jun 5, 7:27 PM CDTSevere Thunderstorm WarningFGFBecker18 min
Jun 5, 7:59 PM CDTSevere Thunderstorm WarningFGFWadena31 min
Jun 5, 8:07 PM CDTTornado WarningFGFPolk23 min
Jun 5, 8:29 PM CDTSevere Thunderstorm WarningFGFPolk31 min
Jun 5, 9:01 PM CDTSevere Thunderstorm WarningFGFPolk29 min
Jun 5, 10:43 PM CDTSevere Thunderstorm WarningFGFClay32 min
Jun 5, 11:54 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wilkin36 min
Jun 6, 12:46 AM CDTSevere Thunderstorm WarningFGFOtter Tail14 min
Jun 6, 1:28 AM CDTSevere Thunderstorm WarningFGFOtter Tail32 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1996Every 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.