Alert archive / Minnesota / Tornado Warnings in 2022

Tornado Warning 38, NWS Twin Cities, MN

May 12, 2022Morrison County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 12, 2022, 8:03 PM CDT for Morrison County, Minnesota. It was in force for 12 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 12, 2022, 8:03 PM CDT (01:03 UTC)
Expired: May 12, 2022, 8:15 PM CDT
In force: 12 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 117 km from the middle of the area, began a volume at 01:06 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
May 12, 5:35 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.1 hours before the alert went out and 116 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: 1318 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 2443 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

907 
WFUS53 KMPX 130103
TORMPX
MNC097-130115-
/O.NEW.KMPX.TO.W.0038.220513T0103Z-220513T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
803 PM CDT Thu May 12 2022

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southeastern Morrison County in central Minnesota...

* Until 815 PM CDT.
    
* At 803 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles southeast of Pierz, or 22 miles east of Little
  Falls, moving northeast at 60 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur. Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  southeastern Morrison County, including the following locations...
  Morrill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4592 9377 4590 9376 4585 9377 4584 9377
      4582 9394 4585 9400 4598 9384
TIME...MOT...LOC 0103Z 234DEG 53KT 4586 9393 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Dye

1 follow-up statement

266 
WWUS53 KMPX 130112
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
812 PM CDT Thu May 12 2022

MNC097-130122-
/O.EXP.KMPX.TO.W.0038.000000T0000Z-220513T0115Z/
Morrison MN-
812 PM CDT Thu May 12 2022

...THE TORNADO WARNING FOR SOUTHEASTERN MORRISON COUNTY WILL EXPIRE
AT 815 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until midnight CDT for central and
east central Minnesota.

LAT...LON 4592 9377 4590 9376 4585 9377 4584 9377
      4582 9394 4585 9400 4598 9384
TIME...MOT...LOC 0112Z 234DEG 53KT 4593 9379 

$$

Dye

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 7:00 PM CDT	Severe Thunderstorm Warning Destructive damage threat	MPX	Chippewa, Douglas, Kandiyohi, Pope, Stevens, Swift	45 min
May 12, 7:02 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	58 min
May 12, 7:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Benton, Meeker, Morrison, Sherburne, Stearns, Todd and 1 more	67 min
May 12, 7:09 PM CDT	Tornado Warning	MPX	Douglas	21 min
May 12, 7:14 PM CDT	Tornado Warning	MPX	Kandiyohi, Stearns	16 min
May 12, 7:31 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Morrison, Todd	44 min
May 12, 7:32 PM CDT	Tornado Warning	MPX	Todd	13 min
May 12, 7:36 PM CDT	Tornado Warning	MPX	Morrison, Stearns	9 min
May 12, 7:44 PM CDT	Tornado Warning	MPX	Benton, Morrison, Stearns	16 min
May 12, 7:45 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Carver, Hennepin, McLeod, Meeker, Scott and 3 more	60 min
May 12, 7:48 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Mille Lacs, Sherburne	57 min
May 12, 7:55 PM CDT	Tornado Warning	MPX	Benton, Morrison	20 min
May 12, 7:56 PM CDT	Tornado Warning	MPX	Morrison	19 min
May 12, 8:06 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	54 min
May 12, 8:25 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Dakota, Ramsey, Washington	39 min
May 12, 8:35 PM CDT	Special Weather Statement	MPX	Morrison	85 min
May 12, 8:54 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Yellow Medicine	36 min
May 12, 9:03 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	27 min
May 12, 9:17 PM CDT	Special Weather Statement	MPX	Chippewa	28 min
May 12, 10:17 PM CDT	Special Weather Statement	MPX	Benton	28 min
May 13, 3:07 AM CDT	River Flood Warning	MPX	Mille Lacs	11 hr
May 13, 9:11 AM CDT	River Flood Warning	MPX	Sherburne, Stearns, Wright	21 days
May 13, 9:13 AM CDT	River Flood Warning	MPX	Stearns	21 days
May 13, 9:18 AM CDT	River Flood Warning	MPX	Todd	67 hr
May 13, 1:53 PM CDT	River Flood Warning	MPX	Kanabec	58 hr
May 13, 2:50 PM CDT	River Flood Warning	MPX	Anoka, Hennepin	21 days

Nearby

Tornado Warnings in Minnesota, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.