Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 151, NWS Sioux Falls, SD

July 1, 2011Lincoln County, Lyon County, Murray County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 1, 2011, 3:51 PM CDT for Lincoln County, Lyon County, Murray County, Minnesota. It was in force for 39 min. 8 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 1, 2011, 3:51 PM CDT (20:51 UTC)
Expired: Jul 1, 2011, 4:30 PM CDT
In force: 39 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 80.0 mph

Counties Lincoln County, MN, Lyon County, MN, Murray County, MN

The radar

The Sioux Falls radar (KFSD), 101 km from the middle of the area, began a volume at 20:53 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 1, 4:00 PM CDT	TSTM WND DMG	Florence, MN	STRONG THUNDERSTORM WINDS DOWNED TREES AND POWERLINES. TRUCK BLOWN OVER.
Jul 1, 4:05 PM CDT	TSTM WND DMG	4 W Balaton, MN	TRUCK BLOWN OVER AND LOTS OF TREE DAMAGE IN PIPESTONE.
Jul 1, 4:07 PM CDT	TSTM WND DMG	1 Nnw Balaton, MN	70+ MPH WINDS, GRAIN BIN DESTROYED, DOOR RIPPED OFF SIDE OF HOUSE
Jul 1, 4:08 PM CDT	HAIL 1	Russell, MN	60 PLUS MILE AN HOUR THUNDERSTORM WINDS.
Jul 1, 4:12 PM CDT	TSTM WND DMG	Russell, MN	TREES UPROOTED.
Jul 1, 4:15 PM CDT	TSTM WND DMG	2 N Garvin, MN	BARN DESTROYED...LOTS OF SIGNIFICANT TREE DAMAGE
Jul 1, 4:15 PM CDT	TSTM WND DMG	6 W Tracy, MN	LARGE TREES DOWN IN EXCESS OF 2.5 FEET IN DIAMETER IN GARVIN PARK
Jul 1, 4:18 PM CDT	TSTM WND DMG	8 Nw Tracy, MN	WIDESPREAD TREE AND HOME DAMAGE IN AMIRET. BARN ROOF RIPPED OFF, GRAIN BINS DESTROYED, 2.5 FOOT DIAMETER TREES SNAPPED, POWER LINES DOWN.

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 1, 2:08 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.9 hours before the alert went out and 191 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3970 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 1089 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

353 
WUUS53 KFSD 012051
SVRFSD
MNC081-083-101-012130-
/O.NEW.KFSD.SV.W.0151.110701T2051Z-110701T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
351 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL LINCOLN COUNTY IN SOUTHWEST MINNESOTA...
  SOUTHERN LYON COUNTY IN SOUTHWEST MINNESOTA...
  NORTHERN MURRAY COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 430 PM CDT

* AT 352 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.  THIS STORM WAS
  LOCATED NEAR HOLLAND...OR 12 MILES NORTHEAST OF PIPESTONE...AND
  MOVING EAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CURRENT LAKE AND RUSSELL AROUND 400 PM CDT...
  BALATON AND CAMDEN STATE PARK AROUND 405 PM CDT...
  LAKE SHETEK STATE PARK AROUND 410 PM CDT...
  TRACY AROUND 415 PM CDT...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE GARVIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING
SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
EAST CENTRAL SOUTH DAKOTA. THIS IS AN EXTREMELY DANGEROUS SITUATION. 
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS!

&&

LAT...LON 4435 9558 4421 9559 4420 9551 4409 9546
      4403 9606 4419 9606 4420 9608 4423 9609
      4433 9608 4431 9630 4441 9629 4445 9561
TIME...MOT...LOC 2052Z 255DEG 50KT 4416 9609
WIND...HAIL 80MPH 1.00IN

$$

WEISSER

2 follow-up statements

293 
WWUS53 KFSD 012117
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
417 PM CDT FRI JUL 1 2011

MNC081-083-101-012130-
/O.CON.KFSD.SV.W.0151.000000T0000Z-110701T2130Z/
LINCOLN MN-LYON MN-MURRAY MN-
417 PM CDT FRI JUL 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
MURRAY...SOUTHERN LYON AND SOUTHEASTERN LINCOLN COUNTIES UNTIL 430 PM
CDT...

AT 416 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...
AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.  THIS STORM WAS LOCATED 9
MILES SOUTH OF MARSHALL...MOVING EAST AT 65 MPH.

THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
MURRAY...SOUTHEASTERN LINCOLN AND SOUTHERN LYON COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING
SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ALONG A 
PATH FROM RUSSELL TO LAKE BENTON WHERE THERE HAVE BEEN MULTIPLE 
REPORTS OF TREE DAMAGE...POWER LINES DOWN AND UPROOTED TREES. THIS 
IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A 
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4435 9558 4421 9559 4420 9551 4409 9546
      4403 9606 4419 9606 4420 9608 4423 9609
      4433 9608 4431 9630 4441 9629 4445 9561
TIME...MOT...LOC 2116Z 251DEG 58KT 4434 9570
WIND...HAIL 80MPH 1.25IN

$$

WEISSER

060 
WWUS53 KFSD 012135
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
435 PM CDT FRI JUL 1 2011

MNC081-083-101-012145-
/O.EXP.KFSD.SV.W.0151.000000T0000Z-110701T2130Z/
LINCOLN MN-LYON MN-MURRAY MN-
435 PM CDT FRI JUL 1 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MURRAY...SOUTHERN
LYON AND SOUTHEASTERN LINCOLN COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

LAT...LON 4435 9558 4421 9559 4420 9551 4409 9546
      4403 9606 4419 9606 4420 9608 4423 9609
      4433 9608 4431 9630 4441 9629 4445 9561
TIME...MOT...LOC 2117Z 251DEG 58KT 4434 9567

$$

WEISSER

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 3:13 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Pipestone	62 min
Jul 1, 3:31 PM CDT	Tornado Warning	FSD	Lincoln, Pipestone	29 min
Jul 1, 3:41 PM CDT	Flash Flood Warning	FSD	Lincoln, Pipestone	100 min
Jul 1, 3:53 PM CDT	Tornado Warning	FSD	Lincoln	21 min
Jul 1, 4:02 PM CDT	Flash Flood Warning	FSD	Lyon, Murray	3 hr
Jul 1, 4:13 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	32 min
Jul 1, 5:05 PM CDT	Severe Thunderstorm Warning	FSD	Murray, Nobles, Pipestone, Rock	25 min
Jul 1, 5:44 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Jackson, Murray, Nobles	46 min
Jul 1, 6:27 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood	16 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2011 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.