Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 118, NWS Twin Cities, MN

July 19, 2003Meeker County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 2003, 7:00 PM CDT for Meeker County, Minnesota. It was in force for 30 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 19, 2003, 7:00 PM CDT (00:00 UTC)
Expired
Jul 19, 2003, 7:30 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Meeker County, MN

The radar

The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 00:05 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 19, 2:40 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 19, 6:50 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.0 hours before the alert went out and 73 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 2003-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3136 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 2003-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.19395878Sfc1 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
3136 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
2.9
Supercell composite
13.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 200000
SVRMPX
MNC093-200030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
659 PM CDT SAT JUL 19 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 730 PM CDT

* AT 659 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL AND DAMAGING WINDS 3 MILES NORTHWEST OF LITCHFIELD...MOVING
  SOUTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CEDAR MILLS.
  COSMOS.
  DARWIN.
  DASSEL.
  GROVE CITY.
  KINGSTON.
  LITCHFIELD.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4523 9429 4520 9472 4491 9470 4491 9453
          4498 9453 4500 9430

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:28 PM CDTSevere Thunderstorm WarningMPXMeeker, Renville47 min
Jul 19, 7:34 PM CDTTornado WarningMPXMeeker, Renville41 min
Jul 19, 7:44 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley61 min
Jul 19, 8:19 PM CDTSevere Thunderstorm WarningMPXNicollet41 min
Jul 20, 3:21 AM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine54 min
Jul 20, 5:08 AM CDTSevere Thunderstorm WarningMPXLac qui Parle52 min
Jul 20, 5:54 AM CDTSevere Thunderstorm WarningMPXYellow Medicine36 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.