Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 87, NWS Twin Cities, MN

July 7, 2003Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2003, 1:11 AM CDT for Morrison County, Todd County, Minnesota. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 7, 2003, 1:11 AM CDT (06:11 UTC)
Expired
Jul 7, 2003, 1:45 AM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Morrison County, MN, Todd County, MN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 6, 8:05 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.2 hours before the alert went out and 168 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 2003-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2301 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 2003-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
2301 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

472 
WUUS53 KMPX 070611
SVRMPX
MNC097-153-070645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
110 AM CDT MON JUL 7 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA
  MORRISON COUNTY IN CENTRAL MINNESOTA

* UNTIL 145 AM CDT

* AT 110 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL 3 MILES SOUTH OF BROWERVILLE...OR ABOUT 4 MILES NORTH OF LONG
  PRAIRIE...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BROWERVILLE.
  CLARISSA.
  LONG PRAIRIE.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4612 9502 4594 9499 4594 9465 4624 9465

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 7:16 PM CDTTornado WarningMPXStevens29 min
Jul 6, 7:23 PM CDTSevere Thunderstorm WarningMPXDouglas52 min
Jul 6, 8:14 PM CDTSevere Thunderstorm WarningMPXDouglas46 min
Jul 6, 8:57 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd63 min
Jul 7, 1:26 AM CDTSevere Thunderstorm WarningMPXFaribault34 min
Jul 7, 1:30 AM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi45 min
Jul 7, 1:54 AM CDTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca51 min
Jul 7, 2:27 AM CDTSevere Thunderstorm WarningMPXBenton, Morrison, Stearns63 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2003Every severe thunderstorm warning in 2003

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.