Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 64, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 2003, 12:35 AM CDT for Isanti County, Minnesota. It was in force for 40 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, 12:35 AM CDT (05:35 UTC)
- Expired
- Jul 3, 2003, 1:15 AM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Isanti County, MN
The radar
The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 05:36 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, 5.6 hours before the alert went out and 82 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.
409 WUUS53 KMPX 030535 SVRMPX MNC059-030615- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1235 AM CDT THU JUL 3 2003 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ISANTI COUNTY IN EAST CENTRAL MINNESOTA * UNTIL 115 AM CDT * AT 1235 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS 7 MILES WEST AND SOUTHWEST OF CAMBRIDGE...MOVING EAST AT 30 MPH. EXPECT WINDS OF 60 TO 65 MPH. * LOCATIONS IMPACTED INCLUDE... CAMBRIDGE. ISANTI. THIS IS A DANGEROUS STORM WITH DAMAGING WINDS...STAY INDOORS AWAY FROM WINDOWS. LAT...LON 4558 9355 4546 9336 4556 9309 4569 9338 $$
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, 12:41 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 49 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.