Alert archive / Minnesota / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 2010, 1:19 AM CDT for 4 counties in Minnesota. It was in force for 56 min. 1 report 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
- May 23, 2010, 1:19 AM CDT (06:19 UTC)
- Expired
- May 23, 2010, 2:15 AM CDT
- In force
- 56 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chippewa County, MN, Lac qui Parle County, MN, Stevens County, MN, Swift County, MN
The radar
The Aberdeen radar (KABR), 173 km from the middle of the area, began a volume at 06:22 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 |
|---|---|---|---|
| May 23, 1:45 AM CDT | HAIL 0.5 | Appleton, MN |
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 |
|---|---|---|---|
| May 22, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 6.3 hours before the alert went out and 177 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
- 3099 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1145 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 426 m²/s²
- 0-3 km storm-relative helicity
- 443 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 14.0
The text
As transmitted, in the capitals the NWS used until 2016.
365
WUUS53 KMPX 230619
SVRMPX
MNC023-073-149-151-230715-
/O.NEW.KMPX.SV.W.0007.100523T0619Z-100523T0715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
119 AM CDT SUN MAY 23 2010
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
WESTERN SWIFT COUNTY IN WEST CENTRAL MINNESOTA...
NORTHERN LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...
NORTHWESTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 215 AM CDT
* AT 116 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 7 MILES NORTHWEST OF BELLINGHAM...OR ABOUT 7
MILES SOUTH OF BIG STONE CITY...AND MOVING NORTHEAST AT 45 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MORRIS...
LOUISBURG...
APPLETON...
MILAN...
BIG BEND CITY...
HOLLOWAY...
HANCOCK...
CERRO GORDO...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4528 9643 4527 9641 4526 9632 4520 9617
4520 9612 4540 9614 4542 9622 4571 9577
4505 9574 4500 9637 4527 9645
TIME...MOT...LOC 0619Z 230DEG 41KT 4522 9637
WIND...HAIL 60MPH 1.00IN
$$1 follow-up statement
006
WWUS53 KMPX 230637
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
137 AM CDT SUN MAY 23 2010
MNC023-073-149-151-230715-
/O.CON.KMPX.SV.W.0007.000000T0000Z-100523T0715Z/
STEVENS MN-SWIFT MN-LAC QUI PARLE MN-CHIPPEWA MN-
137 AM CDT SUN MAY 23 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
CHIPPEWA...NORTH CENTRAL LAC QUI PARLE...WESTERN SWIFT AND
SOUTHEASTERN STEVENS COUNTIES IN WEST CENTRAL MINNESOTA UNTIL 215 AM
CDT...
AT 135 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM ARTICHOKE TO CORRELL TO LOUISBURG...MOVING
NORTHEAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
MORRIS...APPLETON...MILAN...BIG BEND CITY...HOLLOWAY...DANVERS AND
HANCOCK.
LAT...LON 4503 9622 4524 9628 4525 9630 4524 9627
4522 9622 4520 9617 4520 9612 4540 9614
4542 9622 4571 9577 4505 9574
TIME...MOT...LOC 0637Z 230DEG 41KT 4541 9620 4529 9616
4512 9615
WIND...HAIL 60MPH 1.00IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 12:53 AM CDT | Special Weather Statement | MPX | Douglas, Pope, Stevens | 37 min |
| May 23, 1:02 AM CDT | Special Weather Statement | MPX | Lac qui Parle, Yellow Medicine | 43 min |
| May 23, 1:47 AM CDT | Special Weather Statement | MPX | Douglas, Pope, Swift, Todd | 43 min |
| May 23, 2:10 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 55 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2010Every severe thunderstorm warning in 2010
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.