Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Grand Forks, ND

May 22, 20164 counties in Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 22, 2016, 11:24 PM CDT for 4 counties in Minnesota. It was in force for 52 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 22, 2016, 11:24 PM CDT (04:24 UTC)
Expired
May 23, 2016, 12:16 AM CDT
In force
52 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 82 km from the middle of the area, began a volume at 04:27 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

TimeReportWhereRemark
May 22, 11:45 PM CDTTSTM WND DMG9 Sw Thief River Falls, MNA FEW TREES WERE BLOWN DOWN IN A SHELTER BELT NEAR CR3...WEST OF ST. HILAIRE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 4.4 hours before the alert went out and 238 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-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2016-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2016-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2803 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

146 
WUUS53 KFGF 230424
SVRFGF
MNC089-113-119-125-230530-
/O.NEW.KFGF.SV.W.0002.160523T0424Z-160523T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1124 PM CDT SUN MAY 22 2016

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RED LAKE COUNTY IN NORTHWESTERN MINNESOTA...
  POLK COUNTY IN NORTHWESTERN MINNESOTA...
  SOUTHEASTERN MARSHALL COUNTY IN NORTHWESTERN MINNESOTA...
  PENNINGTON COUNTY IN NORTHWESTERN MINNESOTA...

* UNTIL 1230 AM CDT

* AT 1123 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM VIKING TO NEAR ADA...MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  THIEF RIVER FALLS AND DAKOTA JUNCTION AROUND 1130 PM CDT. 
  GOODRIDGE AND MAVIE AROUND 1140 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4750 9672 4816 9675 4819 9562 4750 9561
TIME...MOT...LOC 0423Z 269DEG 76KT 4823 9640 4733 9640 

HAIL...0.75IN
WIND...60MPH
 
$$

HOPKINS
2 follow-up statements
379 
WWUS53 KFGF 230458
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1158 PM CDT SUN MAY 22 2016

MNC089-113-119-125-230530-
/O.CON.KFGF.SV.W.0002.000000T0000Z-160523T0530Z/
RED LAKE MN-POLK MN-MARSHALL MN-PENNINGTON MN-
1158 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR RED LAKE...SOUTHEASTERN POLK...SOUTHEASTERN MARSHALL AND
PENNINGTON COUNTIES...

AT 1157 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM JELLE TO ZERKEL...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF RED
LAKE...SOUTHEASTERN POLK...SOUTHEASTERN MARSHALL AND PENNINGTON
COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4750 9625 4817 9625 4819 9562 4750 9561
TIME...MOT...LOC 0457Z 269DEG 76KT 4824 9537 4734 9538 

HAIL...0.75IN
WIND...60MPH
 
$$

HOPKINS
327 
WWUS53 KFGF 230516
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1216 AM CDT MON MAY 23 2016

MNC089-113-119-125-230525-
/O.CAN.KFGF.SV.W.0002.000000T0000Z-160523T0530Z/
RED LAKE MN-POLK MN-MARSHALL MN-PENNINGTON MN-
1216 AM CDT MON MAY 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR RED LAKE...SOUTHEASTERN
POLK...SOUTHEASTERN MARSHALL AND PENNINGTON 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.  HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 4750 9625 4817 9625 4819 9562 4750 9561
TIME...MOT...LOC 0513Z 269DEG 76KT 4824 9484 4735 9485 

$$

HOPKINS

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 10:43 PM CDTSpecial Weather StatementFGFKittson62 min
May 22, 10:50 PM CDTSpecial Weather StatementFGFPolk55 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every severe thunderstorm warning in 2016

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.