Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 76, NWS Twin Cities, MN

July 19, 1995Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 1995, 6:18 PM CDT for Nicollet County, Minnesota. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jul 19, 1995, 6:18 PM CDT (23:18 UTC)
Expired
Jul 19, 1995, 7:00 PM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 77 km from the middle of the area, began a volume at 23:21 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 12:00Z, 11.3 hours before the alert went out and 76 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 12:00Z on 1995-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1995-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1514 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
172 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 
WUUS1 KMSP 192320
SVRMSP
MNC103-200000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
618 PM CDT WED JUL 19 1995
 
THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...EASTERN NICOLLET COUNTY
 
AT 615 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED
NEAR NICOLLET OR 15 NORTHWEST OF MANKATO. THIS STORM IS MOVING TO THE
EAST AT 30 MPH AND WILL EFFECT PERSONS IN THE CITIES OF OSHAWA AND
ST. PETER. PERSONS IN THIS AREA CAN EXPECT HEAVY RAIN...HAIL AND GUSTY
WINDS.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM.  PEOPLE IN MOBILE HOMES SHOULD GO
TO A STORM SHELTER.
 
HOWIESON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 4:30 PM CDTSevere Thunderstorm WarningMPXRedwood47 min
Jul 19, 5:45 PM CDTSevere Thunderstorm WarningMPXBrown45 min
Jul 19, 6:10 PM CDTSevere Thunderstorm WarningMPXRice22 min
Jul 19, 6:14 PM CDTSevere Thunderstorm WarningMPXLe Sueur46 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.