Alert archive / Missouri / Special Weather Statements in 2021
Special Weather Statement, NWS Kansas City, MO
NWS Kansas City, MO issued this special weather statement at Apr 7, 2021, 1:21 PM CDT for Worth County, Missouri. It was in force for 24 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
- Apr 7, 2021, 1:21 PM CDT (18:21 UTC)
- Expired
- Apr 7, 2021, 1:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Kansas City, MO
County Worth County, MO
The radar
The Des Moines radar (KDMX), 148 km from the middle of the area, began a volume at 18:23 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
Omaha, NE (KOAX), launched 12:00Z, 6.4 hours before the alert went out and 200 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
- 626 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
470 WWUS83 KEAX 071821 SPSEAX Special Weather Statement National Weather Service Kansas City/Pleasant Hill MO 121 PM CDT Wed Apr 7 2021 MOZ003-005-071845- Worth MO-Harrison MO- 121 PM CDT Wed Apr 7 2021 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN WORTH AND NORTHWESTERN HARRISON COUNTIES UNTIL 145 PM CDT... At 121 PM CDT, Doppler radar was tracking a strong thunderstorm near Grant City, or 13 miles north of Albany, moving north at 40 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Grant City, Irena, Worth, Allendale, Denver and Hatfield. PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && A Severe Thunderstorm Watch remains in effect until 700 PM CDT for north central and northwestern Missouri. LAT...LON 4039 9421 4040 9447 4057 9442 4057 9410 TIME...MOT...LOC 1821Z 198DEG 36KT 4045 9433 $$ CDB
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 6:33 AM CDT | Special Weather Statement | EAX | Cooper | 27 min |
| Apr 7, 11:24 AM CDT | Special Weather Statement | EAX | Harrison | 36 min |
| Apr 7, 11:39 AM CDT | Special Weather Statement | EAX | Grundy | 36 min |
| Apr 7, 12:31 PM CDT | Special Weather Statement | EAX | DeKalb | 29 min |
| Apr 7, 1:16 PM CDT | Special Weather Statement | EAX | Henry | 29 min |
| Apr 7, 1:40 PM CDT | Special Weather Statement | EAX | Henry | 35 min |
| Apr 7, 2:49 PM CDT | Severe Thunderstorm Warning | EAX | Pettis | 26 min |
| Apr 7, 3:09 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis | 23 min |
| Apr 7, 3:34 PM CDT | Special Weather Statement | EAX | Howard | 26 min |
| Apr 7, 4:39 PM CDT | Special Weather Statement | EAX | Adair, Macon | 51 min |
Nearby
Special Weather Statements in Missouri, 2021Every special weather statement in 2021
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.