Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 396, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 21, 2005, 6:21 PM CDT for Chisago County, Minnesota. It was in force for 39 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
- Sep 21, 2005, 6:21 PM CDT (23:21 UTC)
- Expired
- Sep 21, 2005, 7:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Chisago County, MN
The radar
The Minneapolis radar (KMPX), 103 km from the middle of the area, began a volume at 23:23 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 |
|---|---|---|---|
| Sep 21, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.4 hours before the alert went out and 104 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
- 15 J/kg
- Mixed-layer CIN
- -441 J/kg
- Mixed-layer LCL
- 1544 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 212321 SVRMPX MNC025-220000- /O.NEW.KMPX.SV.W.0396.050921T2321Z-050922T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 621 PM CDT WED SEP 21 2005 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHISAGO COUNTY IN EAST CENTRAL MINNESOTA * UNTIL 700 PM CDT * AT 619 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS LOCATED NEAR RUSH CITY...OR ABOUT 17 MILES NORTHEAST OF CAMBRIDGE...AND MOVING EAST AT 30 MPH. STAY INDOORS...AND AWAY FROM WINDOWS. LAT...LON 4573 9306 4562 9304 4558 9290 4572 9286 $$ MKM/RJN
1 follow-up statement
000 WWUS53 KMPX 212357 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 656 PM CDT WED SEP 21 2005 MNC025-220016- /O.EXP.KMPX.SV.W.0396.000000T0000Z-050922T0000Z/ CHISAGO MN- 656 PM CDT WED SEP 21 2005 ...THE SEVERE THUNDERSTORM WARNING FOR CHISAGO COUNTY WILL EXPIRE AT 700 PM CDT... THE THUNDERSTORMS IN CHISAGO COUNTY HAVE WEAKENED...SO THE SEVERE THUNDERSTORM WARNING FOR CHISAGO COUNTY WILL BE ALLOWED TO EXPIRE AT 7 PM. HOWEVER...THE STORMS ARE STILL CAPABLE OF PRODUCING PEA SIZE HAIL AND HEAVY RAIN...ALONG WITH DANGEROUS LIGHTNING...THROUGH 8PM. LAT...LON 4573 9306 4562 9304 4558 9290 4572 9286 $$ RJN
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 5:23 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Stearns | 67 min |
| Sep 21, 5:34 PM CDT | Tornado Warning | MPX | Stearns | 56 min |
| Sep 21, 5:35 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne | 40 min |
| Sep 21, 5:50 PM CDT | Tornado Warning | MPX | Kandiyohi | 40 min |
| Sep 21, 5:59 PM CDT | Severe Thunderstorm Warning | MPX | Meeker | 61 min |
| Sep 21, 6:04 PM CDT | Tornado Warning | MPX | Sherburne, Wright | 41 min |
| Sep 21, 6:14 PM CDT | Tornado Warning | MPX | Meeker | 31 min |
| Sep 21, 6:38 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Sherburne, Wright | 67 min |
| Sep 21, 6:53 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker | 67 min |
| Sep 21, 6:59 PM CDT | Tornado Warning | MPX | McLeod, Meeker | 27 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2005Every severe thunderstorm warning in 2005
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.