Alert archive / Minnesota / Tornado Warnings in 2019
Tornado Warning 37, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 28, 2019, 4:15 PM CDT for Chisago County, Isanti County, Minnesota. It was in force for 30 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 28, 2019, 4:15 PM CDT (21:15 UTC)
- Expired
- Jul 28, 2019, 4:45 PM CDT
- In force
- 30 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Chisago County, MN, Isanti County, MN
The radar
The Minneapolis radar (KMPX), 95 km from the middle of the area, began a volume at 21:19 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 28, 2:51 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.3 hours before the alert went out and 96 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1530 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
743
WFUS53 KMPX 282115
TORMPX
MNC025-059-282145-
/O.NEW.KMPX.TO.W.0037.190728T2115Z-190728T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
415 PM CDT Sun Jul 28 2019
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Northwestern Chisago County in east central Minnesota...
North central Isanti County in east central Minnesota...
* Until 445 PM CDT.
* At 415 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Cambridge, moving northeast at 30 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
northwestern Chisago and north central Isanti Counties, including
the following locations... Grandy and Stanchfield.
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 4557 9320 4561 9330 4574 9323 4573 9302
4573 9301
TIME...MOT...LOC 2115Z 210DEG 27KT 4564 9320
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:19 PM CDT | Tornado Warning | MPX | McLeod | 41 min |
| Jul 28, 3:37 PM CDT | Tornado Warning | MPX | Benton, Sherburne | 38 min |
| Jul 28, 4:08 PM CDT | Tornado Warning | MPX | Anoka | 22 min |
| Jul 28, 4:25 PM CDT | Tornado Warning | MPX | Chisago, Washington | 35 min |
| Jul 28, 6:34 PM CDT | Special Weather Statement | MPX | McLeod | 26 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.