Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 97, NWS Twin Cities, MN

July 14, 2003Sherburne County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 14, 2003, 10:45 AM CDT for Sherburne 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 14, 2003, 10:45 AM CDT (15:45 UTC)
Expired
Jul 14, 2003, 11:15 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Sherburne County, MN

The radar

The Minneapolis radar (KMPX), 67 km from the middle of the area, began a volume at 15:45 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, 3.8 hours before the alert went out and 67 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 2003-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 12:00Z on 2003-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
34 J/kg
Mixed-layer CIN
-643 J/kg
Mixed-layer LCL
1461 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
122 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.

902 
WUUS53 KMPX 141545
SVRMPX
MNC141-141615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1044 AM CDT MON JUL 14 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA

* UNTIL 1115 AM CDT

* AT 1044 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL 6 MILES NORTHEAST OF BECKER...OR ABOUT 13 MILES SOUTHWEST OF
  PRINCETON...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BECKER.
  ELK RIVER.
  ZIMMERMAN.

AT 1020 AM...STORM SPOTTERS REPORTED NICKEL SIZE HAIL JUST NORTH OF 
BECKER. THIS IS A DANGEROUS STORM...SEEK SHELTER NOW

LAT...LON 4553 9380 4536 9389 4530 9354 4551 9352

&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 9:28 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker47 min
Jul 14, 10:08 AM CDTSevere Thunderstorm WarningMPXSherburne37 min
Jul 14, 1:23 PM CDTSevere Thunderstorm WarningMPXWright52 min
Jul 14, 3:51 PM CDTSevere Thunderstorm WarningMPXStearns54 min
Jul 14, 4:42 PM CDTSevere Thunderstorm WarningMPXSherburne, Stearns, Wright63 min
Jul 14, 5:44 PM CDTSevere Thunderstorm WarningMPXAnoka, Sherburne61 min
Jul 14, 6:24 PM CDTSevere Thunderstorm WarningMPXChisago66 min
Jul 14, 6:44 PM CDTSevere Thunderstorm WarningMPXWashington61 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.