Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 108, NWS Twin Cities, MN

July 18, 20154 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 2015, 1:25 AM CDT for 4 counties in Minnesota. It was in force for 34 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 18, 2015, 1:25 AM CDT (06:25 UTC)
Expired: Jul 18, 2015, 1:59 AM CDT
In force: 34 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chippewa County, MN, Kandiyohi County, MN, Renville County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 148 km from the middle of the area, began a volume at 06:28 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 17, 8:39 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.4 hours before the alert went out and 146 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: 888 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 1752 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

154 
WUUS53 KMPX 180625
SVRMPX
MNC023-067-129-173-180715-
/O.NEW.KMPX.SV.W.0108.150718T0625Z-150718T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
125 AM CDT SAT JUL 18 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHWESTERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
  EASTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHWESTERN RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 215 AM CDT

* AT 124 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM MONTEVIDEO TO GRANITE FALLS AIRPORT...MOVING EAST AT
  50 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER 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...
  SACRED HEART AND MAYNARD AROUND 135 AM CDT.
  CLARA CITY AND RENVILLE AROUND 145 AM CDT.
  RAYMOND AND PRINSBURG AROUND 150 AM CDT.
  OLIVIA AROUND 155 AM CDT.
  WILLMAR AROUND 205 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
MINNESOTA FALLS...PRIAM...PENNOCK...GRANITE FALLS AIRPORT...BECHYN...
DANUBE...MONTEVIDEO AIRPORT...SVEA...GLUEK AND BLOMKEST.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 67 AND 75.
 U.S. HIGHWAY 212 BETWEEN MILE MARKERS 36 AND 81.
 U.S. HIGHWAY 71 BETWEEN MILE MARKERS 90 AND 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4519 9503 4466 9488 4467 9530 4469 9531
      4470 9535 4467 9536 4467 9565 4489 9578
      4490 9574 4493 9573 4495 9582 4498 9582
TIME...MOT...LOC 0624Z 251DEG 45KT 4495 9570 4474 9557 

HAIL...1.00IN
WIND...60MPH
 
$$

BORGHOFF

2 follow-up statements

569 
WWUS53 KMPX 180642
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
142 AM CDT SAT JUL 18 2015

MNC173-180651-
/O.CAN.KMPX.SV.W.0108.000000T0000Z-150718T0715Z/
YELLOW MEDICINE MN-
142 AM CDT SAT JUL 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN YELLOW MEDICINE
COUNTY IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
CENTRAL MINNESOTA.

LAT...LON 4479 9492 4473 9538 4485 9552 4489 9563
      4498 9582 4519 9503
TIME...MOT...LOC 0641Z 248DEG 43KT 4500 9552 4493 9539 4480 9533 

$$

MNC023-067-129-180715-
/O.CON.KMPX.SV.W.0108.000000T0000Z-150718T0715Z/
KANDIYOHI MN-CHIPPEWA MN-RENVILLE MN-
142 AM CDT SAT JUL 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR SOUTHWESTERN KANDIYOHI...EASTERN CHIPPEWA AND NORTHWESTERN
RENVILLE COUNTIES...

AT 141 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GLUEK TO NEAR CLARA CITY TO SACRED HEART...MOVING
EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER 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...
  CLARA CITY AROUND 145 AM CDT.
  RENVILLE AROUND 150 AM CDT.
  RAYMOND AND PRINSBURG AROUND 155 AM CDT.
  OLIVIA AROUND 200 AM CDT.
  WILLMAR AROUND 210 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
MINNESOTA FALLS...PRIAM...PENNOCK...DANUBE...MONTEVIDEO AIRPORT...
SVEA...GLUEK...BLOMKEST...WILLMAR AIRPORT AND ASBURY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 67 AND 75.
 U.S. HIGHWAY 212 BETWEEN MILE MARKERS 54 AND 75.
 U.S. HIGHWAY 71 BETWEEN MILE MARKERS 100 AND 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4479 9492 4473 9538 4485 9552 4489 9563
      4498 9582 4519 9503
TIME...MOT...LOC 0641Z 248DEG 43KT 4500 9552 4493 9539 4480 9533 

HAIL...1.00IN
WIND...60MPH
 
$$

BORGHOFF

758 
WWUS53 KMPX 180659
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
159 AM CDT SAT JUL 18 2015

MNC023-067-129-180709-
/O.CAN.KMPX.SV.W.0108.000000T0000Z-150718T0715Z/
KANDIYOHI MN-CHIPPEWA MN-RENVILLE MN-
159 AM CDT SAT JUL 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KANDIYOHI...
EASTERN CHIPPEWA AND NORTHWESTERN RENVILLE COUNTIES IS CANCELLED...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
CENTRAL MINNESOTA.

LAT...LON 4479 9492 4473 9538 4485 9552 4489 9563
      4498 9582 4519 9503
TIME...MOT...LOC 0656Z 251DEG 45KT 4500 9552 4493 9539 4480 9533 

$$

BORGHOFF

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 8:48 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift, Yellow Medicine	57 min
Jul 17, 8:57 PM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	63 min
Jul 17, 9:28 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Pope, Stevens, Swift	47 min
Jul 17, 9:44 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Lac qui Parle, Swift	61 min
Jul 17, 10:17 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Renville, Yellow Medicine	28 min
Jul 17, 10:30 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Meeker, Stearns	45 min
Jul 17, 10:41 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	34 min
Jul 17, 11:03 PM CDT	Severe Thunderstorm Warning	MPX	Brown, McLeod, Nicollet, Redwood, Renville, Sibley	42 min
Jul 17, 11:09 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker, Stearns, Wright	51 min
Jul 17, 11:44 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Carver, Le Sueur, McLeod, Nicollet, Scott and 1 more	46 min
Jul 17, 11:52 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Sherburne, Wright	38 min
Jul 18, 12:01 AM CDT	Tornado Warning	MPX	Carver, Hennepin, Wright	29 min
Jul 18, 12:26 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey, Sherburne, Washington and 1 more	49 min
Jul 18, 12:29 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Le Sueur, Rice, Scott	31 min
Jul 18, 12:55 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice, Steele, Waseca, Washington	50 min
Jul 18, 1:06 AM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	39 min
Jul 18, 1:27 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue	48 min
Jul 18, 1:42 AM CDT	Special Weather Statement	MPX	Anoka, Dakota, Hennepin, Ramsey	63 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every severe thunderstorm warning in 2015

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.