Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 62, NWS Twin Cities, MN

July 3, 2003Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 2003, 12:23 AM CDT for Wright County, Minnesota. It was in force for 37 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 3, 2003, 12:23 AM CDT (05:23 UTC)
Expired
Jul 3, 2003, 1:00 AM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Wright County, MN

The radar

The Minneapolis radar (KMPX), 51 km from the middle of the area, began a volume at 05:26 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 2, 7:25 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 5.4 hours before the alert went out and 49 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 2003-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1209 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, Minneapolis, MN at 00:00Z on 2003-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1209 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1701 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 030523
SVRMPX
MNC171-030600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1220 AM CDT THU JUL 3 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WRIGHT COUNTY IN CENTRAL MINNESOTA

* UNTIL 100 AM CDT

* AT 1220 AM CDT...THE LEADING EDGE OF DAMAGING WINDS EXTENDED FROM
  CLEARWATER TO SOUTH HAVEN...OR ABOUT 20 MILES SOUTHEAST TO SOUTH
  OF ST CLOUD. WINDS AROUND 60 MPH ARE POSSIBLE...ENOUGH TO KNOCK
  DOWN LARGE BRANCHES AND SOME TREES. MOVEMENT WAS SOUTHEAST AT 35
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUFFALO.
  MAPLE LAKE.
  MONTICELLO.
  ANNANDALE.

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS...STAY INDOORS AWAY
FROM WINDOWS.

LAT...LON 4517 9417 4505 9399 4519 9376 4533 9399

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 10:14 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd61 min
Jul 2, 10:40 PM CDTTornado WarningMPXMorrison, Todd35 min
Jul 2, 10:48 PM CDTTornado WarningMPXDouglas, Pope42 min
Jul 2, 11:11 PM CDTSevere Thunderstorm WarningMPXStevens49 min
Jul 2, 11:20 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison, Stearns, Todd55 min
Jul 2, 11:33 PM CDTSevere Thunderstorm WarningMPXPope42 min
Jul 2, 11:47 PM CDTSevere Thunderstorm WarningMPXSherburne43 min
Jul 3, 12:32 AM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Sherburne58 min
Jul 3, 12:35 AM CDTSevere Thunderstorm WarningMPXIsanti40 min
Jul 3, 12:41 AM CDTSevere Thunderstorm WarningMPXChisago49 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; radar from the NEXRAD Level II archive.