Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 6, 2017, 5:09 PM CST for 5 counties in Minnesota. It was in force for 36 min. 3 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
- Mar 6, 2017, 5:09 PM CST (23:09 UTC)
- Expired
- Mar 6, 2017, 5:45 PM CST
- In force
- 36 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 117 km from the middle of the area, began a volume at 23:09 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 |
|---|---|---|---|
| Mar 6, 5:20 PM CST | HAIL 1 | 1 W Conger, MN | . |
| Mar 6, 5:20 PM CST | HAIL 1 | 1 Wsw Conger, MN | . |
| Mar 6, 5:38 PM CST | TORNADO | Clarks Grove, MN | EF1 TORNADO SURVEYED IN FREEBORN COUNTY. PEAK WINDS 100 TO 110 MPH. PATH LENGTH 12.3 MILES. |
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 |
|---|---|---|---|
| Mar 6, 2:43 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 118 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 401 m²/s²
- 0-3 km storm-relative helicity
- 365 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
320
WUUS53 KMPX 062309
SVRMPX
MNC013-043-047-147-161-062345-
/O.NEW.KMPX.SV.W.0007.170306T2309Z-170306T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
509 PM CST MON MAR 6 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Eastern Faribault County in south central Minnesota...
Freeborn County in south central Minnesota...
Southwestern Steele County in south central Minnesota...
Southeastern Blue Earth County in south central Minnesota...
Waseca County in south central Minnesota...
* Until 545 PM CST
* At 508 PM CST, severe thunderstorms were located along a line
extending from near Minnesota Lake to near Brush Creek to Kiester,
moving northeast at 50 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near,
Emmons and Conger around 520 PM CST.
Alden, Freeborn, Waldorf and Twin Lakes around 525 PM CST.
Albert Lea, New Richland and Hartland around 530 PM CST.
Waseca, Clarks Grove, Ellendale and Hayward around 540 PM CST.
Geneva and Hollandale around 545 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM CST for south central
Minnesota.
LAT...LON 4364 9382 4385 9402 4420 9348 4420 9343
4395 9319 4366 9308 4349 9354 4350 9376
TIME...MOT...LOC 2308Z 235DEG 42KT 4384 9390 4368 9375 4353 9370
HAIL...1.25IN
WIND...60MPH
$$1 follow-up statement
627
WWUS53 KMPX 062328
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
528 PM CST MON MAR 6 2017
MNC013-043-062338-
/O.CAN.KMPX.SV.W.0007.000000T0000Z-170306T2345Z/
Faribault MN-Blue Earth MN-
528 PM CST MON MAR 6 2017
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FARIBAULT AND
SOUTHEASTERN BLUE EARTH COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 1000 PM CST for south central
Minnesota.
LAT...LON 4350 9364 4385 9365 4401 9377 4420 9348
4420 9343 4395 9319 4366 9308 4350 9353
TIME...MOT...LOC 2328Z 235DEG 42KT 4397 9364 4381 9349 4366 9344
$$
MNC047-147-161-062345-
/O.CON.KMPX.SV.W.0007.000000T0000Z-170306T2345Z/
Freeborn MN-Steele MN-Waseca MN-
528 PM CST MON MAR 6 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR FREEBORN...SOUTHWESTERN STEELE AND WASECA COUNTIES...
At 528 PM CST, severe thunderstorms were located along a line
extending from near Waldorf to Hartland to near Albert Lea, moving
northeast at 50 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe storms will be near...
Waseca, Clarks Grove, Ellendale and Hayward around 540 PM CST.
Geneva and Hollandale around 545 PM CST.
Other locations impacted by these severe thunderstorms include Alma
City, Lemond, Matawan, Manchester, Steele Center, Otisco and Hope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM CST for south central
Minnesota.
LAT...LON 4350 9364 4385 9365 4401 9377 4420 9348
4420 9343 4395 9319 4366 9308 4350 9353
TIME...MOT...LOC 2328Z 235DEG 42KT 4397 9364 4381 9349 4366 9344
HAIL...1.25IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 4:04 AM CST | Wind Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 60 hr |
| Mar 6, 3:47 PM CST | Severe Thunderstorm Warning | MPX | Redwood, Renville, Sibley | 43 min |
| Mar 6, 4:10 PM CST | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 35 min |
| Mar 6, 4:28 PM CST | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 47 min |
| Mar 6, 4:32 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Martin | 43 min |
| Mar 6, 4:41 PM CST | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 34 min |
| Mar 6, 4:50 PM CST | Tornado Warning | MPX | Wright | 25 min |
| Mar 6, 4:54 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 21 min |
| Mar 6, 5:11 PM CST | Severe Thunderstorm Warning | MPX | Sherburne, Wright | 34 min |
| Mar 6, 5:26 PM CST | Tornado Warning | MPX | Sherburne, Wright | 20 min |
| Mar 6, 5:42 PM CST | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 33 min |
| Mar 6, 5:44 PM CST | Tornado Warning | MPX | Isanti, Mille Lacs, Sherburne | 31 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017
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.