Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 108, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 1, 2011, 7:45 PM CDT for Faribault County, Martin County, Minnesota. It was in force for 45 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 1, 2011, 7:45 PM CDT (00:45 UTC)
- Expired
- Jul 1, 2011, 8:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Faribault County, MN, Martin County, MN
The radar
The Minneapolis radar (KMPX), 150 km from the middle of the area, began a volume at 00:49 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 1, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.8 hours before the alert went out and 149 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
- 4059 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 20.8
The text
As transmitted, in the capitals the NWS used until 2016.
417 WUUS53 KMPX 020045 SVRMPX MNC043-091-020130- /O.NEW.KMPX.SV.W.0108.110702T0045Z-110702T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 745 PM CDT FRI JUL 1 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA... SOUTHEASTERN MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 830 PM CDT * AT 740 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED JUST SOUTHEAST OF FAIRMONT...AND MOVING EAST AT 35 MPH. LOCATIONS IN THE WARNING INCLUDE... ELMORE... BRICELYN... EAST CHAIN... FROST... 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 4364 9445 4361 9380 4350 9377 4349 9440 TIME...MOT...LOC 0045Z 274DEG 31KT 4359 9425 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 |
|---|---|---|---|---|
| Jul 1, 7:10 PM CDT | Special Weather Statement | MPX | Chisago | 35 min |
| Jul 1, 7:23 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Le Sueur, McLeod, Nicollet, Scott, Sibley | 37 min |
| Jul 1, 7:24 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 66 min |
| Jul 1, 7:30 PM CDT | Areal Flood Warning | MPX | Meeker | 3 hr |
| Jul 1, 7:38 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Waseca | 37 min |
| Jul 1, 7:39 PM CDT | Areal Flood Warning | MPX | Benton, Morrison | 3 hr |
| Jul 1, 7:49 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Dakota, Hennepin, Le Sueur, Ramsey and 4 more | 56 min |
| Jul 1, 7:59 PM CDT | Areal Flood Advisory | MPX | Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more | 105 min |
| Jul 1, 8:03 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 3 more | 57 min |
| Jul 1, 8:27 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Washington | 63 min |
| Jul 1, 8:31 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti, Washington | 59 min |
| Jul 1, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn, Steele, Waseca | 61 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.