Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 228, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2005, 7:59 AM CDT for Stevens County, Swift County, Minnesota. It was in force for 46 min. 7 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 23, 2005, 7:59 AM CDT (12:59 UTC)
- Expired
- Jul 23, 2005, 8:45 AM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Stevens County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 195 km from the middle of the area, began a volume at 13:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 23, 8:10 AM CDT | TSTM WND DMG | 7 W Donnelly, MN | 4 TO 5 INCH LIMBS DOWN. |
| Jul 23, 8:19 AM CDT | TSTM WND GST 66 | Morris, MN | |
| Jul 23, 8:19 AM CDT | TSTM WND GST 66 | N Morris, MN | |
| Jul 23, 8:20 AM CDT | TSTM WND DMG | Donnelly, MN | TREES DOWN ACROSS TOWN. |
| Jul 23, 8:30 AM CDT | TSTM WND DMG | Donnelly, MN | MACHINE SHED COMPLETELY DESTROYED. |
| Jul 23, 8:33 AM CDT | TSTM WND GST 85 | 6 N Morris, MN | MEASURED BY DAVIS SYSTEM. |
| Jul 23, 8:33 AM CDT | TSTM WND GST 85 | 9 Nne Morris, MN | MEASURED BY DAVIS SYSTEM 2 MILES NORTHWEST OF SWAN LAKE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 23, 7:15 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 1.0 hours before the alert went out and 193 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
- 883 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 231300
SVRMPX
MNC149-151-231345-
/O.NEW.KMPX.SV.W.0228.050723T1259Z-050723T1345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
759 AM CDT SAT JUL 23 2005
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
STEVENS COUNTY IN WEST CENTRAL MINNESOTA
SWIFT COUNTY IN WEST CENTRAL MINNESOTA
* UNTIL 845 AM CDT
* AT 754 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 30 MILES
NORTHWEST OF MORRIS TO 24 MILES WEST OF APPLETON...AND MOVING EAST
AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
MORRIS...
APPLETON...
BENSON...
CHOKIO...
DANVERS...
HOLLOWAY...
LAT...LON 4575 9619 4555 9614 4519 9609 4518 9540
4539 9547 4540 9578 4575 9579
$$
KAT1 follow-up statement
000
WWUS53 KMPX 231326
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
825 AM CDT SAT JUL 23 2005
MNC149-151-231345-
/O.CON.KMPX.SV.W.0228.000000T0000Z-050723T1345Z/
STEVENS MN-SWIFT MN-
825 AM CDT SAT JUL 23 2005
...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 845 AM CDT FOR SWIFT
AND STEVENS COUNTIES...
AT 819 AM CDT...DAMAGING WINDS UP TO 66 MPH WERE REPORTED IN MORRIS
WITH THIS STORM. WIND DAMAGE WAS ALSO REPORTED WEST OF DONNELLY AT
810 AM. THIS IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY
FROM WINDOWS
AT 824 AM CDT...THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 9 MILES NORTHEAST OF DONNELLY TO HANCOCK TO APPLETON...MOVING
EAST AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE MORRIS...HOLLOWAY...DE
GRAFF...DANVERS...CLONTARF...BENSON...BELGRADE AND ALBERTA.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS
LAT...LON 4575 9619 4555 9614 4519 9609 4518 9540
4539 9547 4540 9578 4575 9579
$$
KATThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:33 AM CDT | Heat Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 30 more | 15 hr |
| Jul 23, 8:22 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope | 53 min |
| Jul 23, 8:45 AM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 60 min |
| Jul 23, 8:54 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Stearns, Todd | 66 min |
| Jul 23, 9:13 AM CDT | Severe Thunderstorm Warning | MPX | Pope | 47 min |
| Jul 23, 9:29 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 61 min |
| Jul 23, 9:41 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne | 64 min |
| Jul 23, 9:46 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 59 min |
| Jul 23, 10:06 AM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec, Mille Lacs | 54 min |
| Jul 23, 10:12 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 63 min |
| Jul 23, 10:19 AM CDT | Severe Thunderstorm Warning | MPX | Anoka | 56 min |
| Jul 23, 10:39 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Ramsey, Washington | 53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.