Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Duluth, MN

July 13, 1995Itasca County, Saint Louis County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 13, 1995, 6:49 AM CDT for Itasca County, Saint Louis County, Minnesota. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1995, 6:49 AM CDT (11:49 UTC)
Expired
Jul 13, 1995, 7:30 AM CDT
In force
41 min
Issued by
NWS Duluth, MN
Area
Whole counties

Counties Itasca County, MN, Saint Louis County, MN

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 11.8 hours before the alert went out and 115 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 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1293 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
1293 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1785 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDLH 131153 RRA
SVRDLH
MNC115-061-017-137-131230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DULUTH MN
649 AM CDT THU JUL 13 1995
 
THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MINNESOTA
 
   ...WESTERN PINE COUNTY
 
IN NORTH CENTRAL MINNESOTA
 
   ...EASTERN ITASCA COUNTY
 
IN NORTHEAST MINNESOTA
 
   ...WESTERN CARLTON COUNTY...WESTERN ST LOUIS COUNTY
 
AT 645 AM...DULUTH RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS
STRETCHING FROM NEAR HIBBING...TO VIRGINIA...WHICH IS 21 NORTHEAST OF
HIBBING...TO DULUTH TO DANBURY WISCONSIN....WHICH IS 58 MILES SOUTH OF
DULUTH. THIS LINE OF SEVERE THUNDERSTORMS WAS MOVING TO THE EAST AT 60
MILES AN HOUR.
 
THIS LINE OF SEVERE THUNDERSTORMS WILL CONTINUE TO AFFECT THE CITIES OF
GRAND RAPIDS...CROMWELL AND WILLOW RIVER THROUGH 710 AM.  WINDS IN
EXCESS OF 60 MILES AN HOUR ARE LIKELY ALONG AND BEHIND THIE LINE OF
STORMS.
 
IF YOU ARE IN THE PATH OF THIS STORM EXPECT WIND IN EXCESS OF 55
MPH...LARGE HAIL...AND DEADLY LIGHTNING.  MOVE TO SHELTER INSIDE A
STRONG BUILDING...BUT STAY AWAY LFROM WINDOWS.  DURING THUNDERSTORMS
BOATERS SHOULD SEEK SAFE HARBOR...BUT IF YOU ARE CAUGHT ON THE OPEN
WATER...STAY BELOW DECK...AND AWAY FROM UNGROUNDED METAL OBJECTS.
 
TAP/SES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 4:44 AM CDTSevere Thunderstorm WarningDLHCass, Itasca61 min
Jul 13, 5:08 AM CDTSevere Thunderstorm WarningDLHAitkin, Crow Wing67 min
Jul 13, 5:43 AM CDTSevere Thunderstorm WarningDLHItasca, Saint Louis62 min
Jul 13, 5:43 AM CDTSevere Thunderstorm WarningDLHCarlton, Pine62 min
Jul 13, 6:08 AM CDTSevere Thunderstorm WarningDLHCarlton, Pine67 min
Jul 13, 6:08 AM CDTSevere Thunderstorm WarningDLHSaint Louis67 min
Jul 13, 6:25 AM CDTSevere Thunderstorm WarningDLHLake65 min
Jul 13, 6:49 AM CDTSevere Thunderstorm WarningDLHCarlton, Pine41 min
Jul 13, 7:27 AM CDTSevere Thunderstorm WarningDLHCook, Lake, Saint Louis63 min
Jul 13, 7:46 AM CDTSevere Thunderstorm WarningDLHSaint Louis29 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1995Every severe thunderstorm warning in 1995

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.