Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 134, NWS Twin Cities, MN

August 12, 1995Dakota County, Ramsey County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 12, 1995, 8:33 PM CDT for Dakota County, Ramsey County, Minnesota. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1995, 8:33 PM CDT (01:33 UTC)
Expired
Aug 12, 1995, 9:00 PM CDT
In force
27 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Dakota County, MN, Ramsey County, MN

The radar

The Minneapolis radar (KMPX), 38 km from the middle of the area, began a volume at 01:36 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.6 hours before the alert went out and 41 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, Minneapolis, MN at 00:00Z on 1995-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3775 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 1995-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
3775 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMSP 130135 RRA
SVRMSP
MNC037-123-130200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
833 PM CDT SAT AUG 12 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MINNESOTA
 
   ...NORTHERN DAKOTA COUNTY ...SOUTHERN WASHINGTON....
 
AT 830 PM... DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORM
LOCATED OVER THE METROPOLITAN AREA. THESE STORMS WERE LOCATED OVER
NORTHERN DAKOTA COUNTY NEAR INVER GROVE HEIGHTS OR 20 MILES SOUTHEAST
OF MINNEAPOLIS. DOPPLER RADAR ESTIMATED 60 MILE AN HOUR WINDS. SOME
CITIES IN THE PATH OF THESE STORMS INCLUDE FARMINGTON... HASTINGS AND
COTTAGE GROVE.
FRANZEN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 1:57 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine33 min
Aug 13, 2:33 PM CDTSevere Thunderstorm WarningMPXRedwood42 min
Aug 13, 2:43 PM CDTTornado WarningMPXSwift32 min
Aug 13, 2:49 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Renville40 min
Aug 13, 3:54 PM CDTSevere Thunderstorm WarningMPXMeeker21 min
Aug 13, 5:04 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin26 min
Aug 13, 5:38 PM CDTSevere Thunderstorm WarningMPXAnoka, Isanti37 min
Aug 13, 5:38 PM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey37 min
Aug 13, 5:48 PM CDTSevere Thunderstorm WarningMPXChisago, Washington27 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; radar from the NEXRAD Level II archive.