Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 5, NWS Grand Forks, ND

May 24, 2019Clearwater County, Mahnomen County, Minnesota

NWS Grand Forks, ND issued this tornado warning at May 24, 2019, 7:44 PM CDT for Clearwater County, Mahnomen County, Minnesota. It was in force for 22 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
May 24, 2019, 7:44 PM CDT (00:44 UTC)
Expired
May 24, 2019, 8:06 PM CDT
In force
22 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Observed
Hail
1.5 in

Counties Clearwater County, MN, Mahnomen County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 122 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 nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 0.7 hours before the alert went out and 231 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 2019-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 2019-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 443 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
462 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
443 m²/s²
0-3 km storm-relative helicity
395 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

308 
WFUS53 KFGF 250044
TORFGF
MNC029-087-250130-
/O.NEW.KFGF.TO.W.0005.190525T0044Z-190525T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Eastern ND/Grand Forks ND
744 PM CDT Fri May 24 2019

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Eastern Mahnomen County in northwestern Minnesota...
  Southwestern Clearwater County in northwestern Minnesota...

* Until 830 PM CDT.

* At 744 PM CDT, a confirmed tornado was located near Beaulieu, or 
  32 miles north of Detroit Lakes, moving east at 35 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Law enforcement confirmed tornado.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* The tornado will be near...
  Beaulieu around 745 PM CDT.
  Mahkonce and Naytahwaush around 800 PM CDT.
  Roy Lake, Pine Bend and Island Lake in Mahnomen County around 805 
  PM CDT.
  Rice Lake and northwestern Lower Rice Lake around 815 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado has been reported. TAKE COVER NOW! Move to a 
basement or an interior room on the lowest floor of a sturdy 
building. Avoid windows. If you are outdoors, in a mobile home, or 
in a vehicle, move to the closest substantial shelter and protect 
yourself from flying debris.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Grand Forks.

&&

LAT...LON 4721 9591 4735 9593 4750 9549 4718 9547
TIME...MOT...LOC 0044Z 249DEG 30KT 4731 9583 

TORNADO...OBSERVED
HAIL...1.50IN

$$

GG
2 follow-up statements
111 
WWUS53 KFGF 250058
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
758 PM CDT Fri May 24 2019

MNC029-087-250130-
/O.CON.KFGF.TO.W.0005.000000T0000Z-190525T0130Z/
Mahnomen MN-Clearwater MN-
758 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHEASTERN MAHNOMEN AND SOUTHWESTERN CLEARWATER COUNTIES...
    
At 756 PM CDT, a possible tornado was located near Mahkonce, or 37 
miles north of Detroit Lakes, moving east at 35 mph.

HAZARD...TORNADO and quarter size hail.

SOURCE...Law enforcement confirmed tornado.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This tornado will be near...
  Mahkonce around 800 PM CDT.
  Pine Bend, Roy Lake and Island Lake in Mahnomen County around 805 
  PM CDT.
  Northwestern Lower Rice Lake around 810 PM CDT.
  Rice Lake around 815 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is possible. TAKE COVER NOW! Move to a basement 
or an interior room on the lowest floor of a sturdy building. Avoid 
windows. If you are outdoors, in a mobile home, or in a vehicle, 
move to the closest substantial shelter and protect yourself from 
flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4726 9572 4740 9577 4750 9549 4718 9547
TIME...MOT...LOC 0056Z 249DEG 30KT 4735 9568 

TORNADO...OBSERVED
HAIL...1.00IN

$$

GG
106 
WWUS53 KFGF 250106
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
806 PM CDT Fri May 24 2019

MNC029-087-250116-
/O.CAN.KFGF.TO.W.0005.000000T0000Z-190525T0130Z/
Mahnomen MN-Clearwater MN-
806 PM CDT Fri May 24 2019

...THE TORNADO WARNING FOR NORTHEASTERN MAHNOMEN AND SOUTHWESTERN
CLEARWATER COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

LAT...LON 4726 9572 4740 9577 4750 9549 4718 9547
TIME...MOT...LOC 0104Z 249DEG 30KT 4738 9556 

$$

GG

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 7:12 PM CDTTornado WarningFGFBecker, Mahnomen, Norman33 min
May 24, 7:52 PM CDTSevere Thunderstorm WarningFGFPennington, Polk, Red Lake27 min
May 24, 8:03 PM CDTSevere Thunderstorm WarningFGFNorman, Polk42 min
May 24, 8:44 PM CDTSevere Thunderstorm WarningFGFClearwater, Mahnomen, Polk46 min

Nearby

Tornado Warnings in Minnesota, 2019Every tornado warning in 2019Tornadoes in 2019

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.