Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 65, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 2003, 12:41 AM CDT for Chisago County, Minnesota; Polk County, Wisconsin. It was in force for 49 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, 12:41 AM CDT (05:41 UTC)
- Expired
- Jul 3, 2003, 1:30 AM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Chisago County, MN, Polk County, WI
The radar
The Minneapolis radar (KMPX), 100 km from the middle of the area, began a volume at 05:41 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 2, 7:25 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.7 hours before the alert went out and 101 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
845
WUUS53 KMPX 030541
SVRMPX
MNC025-WIC095-030630-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1239 AM CDT THU JUL 3 2003
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHISAGO COUNTY IN EAST CENTRAL MINNESOTA
POLK COUNTY IN NORTHWEST WISCONSIN
* UNTIL 130 AM CDT
* AT 1239 AM CDT... A LINE OF SEVERE STORMS EXTENDED FROM SIREN TO
15 MILES NORTH OF NORTH BRANCH. THE STORMS WERE MOVING EAST TO
SOUTHEAST AT 35 MPH. EXPECT WINDS OF 60 TO 70 MPH.
* LOCATIONS IMPACTED INCLUDE...
BALSAM LAKE.
LUCK.
NORTH BRANCH.
HARRIS.
ST CROIX FALLS.
THIS IS A DANGEROUS STORM WITH DAMAGING WINDS...STAY INDOORS AWAY
FROM WINDOWS.
LAT...LON 4549 9288 4534 9290 4534 9245 4566 9221
4562 9264 4569 9307
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 10:14 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 61 min |
| Jul 2, 10:40 PM CDT | Tornado Warning | MPX | Morrison, Todd | 35 min |
| Jul 2, 10:48 PM CDT | Tornado Warning | MPX | Douglas, Pope | 42 min |
| Jul 2, 11:11 PM CDT | Severe Thunderstorm Warning | MPX | Stevens | 49 min |
| Jul 2, 11:20 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns, Todd | 55 min |
| Jul 2, 11:33 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 42 min |
| Jul 2, 11:47 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 43 min |
| Jul 3, 12:23 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 37 min |
| Jul 3, 12:32 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Sherburne | 58 min |
| Jul 3, 12:35 AM CDT | Severe Thunderstorm Warning | MPX | Isanti | 40 min |
| Jul 3, 1:27 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 48 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2003Severe Thunderstorm Warnings in Wisconsin, 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.