Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 123, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 9, 2021, 5:29 PM CDT for Kidder County, Wells County, North Dakota. It was in force for 46 min. 5 reports 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
- Aug 9, 2021, 5:29 PM CDT (22:29 UTC)
- Expired
- Aug 9, 2021, 6:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 50.0 mph
Counties Kidder County, ND, Wells County, ND
The radar
The Bismarck radar (KBIS), 115 km from the middle of the area, began a volume at 22:29 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 9, 5:29 PM CDT | HAIL 1.75 | 1 W Fessenden, ND | DELAYED REPORT FROM LATE MONDAY AFTERNOON. |
| Aug 9, 5:40 PM CDT | HAIL 2.75 | Fessenden, ND | MOSTLY PING PONG BALLS AND GOLF BALLS WITH A FEW BASEBALLS MIXED IN. TIME ESTIMATED FROM RADAR. |
| Aug 9, 5:53 PM CDT | HAIL 2.5 | 4 Se Bowdon, ND | RELAYED VIA BROADCAST MEDIA. TIME ESTIMATED VIA RADAR. |
| Aug 9, 5:56 PM CDT | HAIL 1.75 | 2 Ese Heaton, ND | ONGOING AT TIME OF CALL. |
| Aug 9, 5:57 PM CDT | HAIL 3 | 6 E Bowdon, ND | RELAYED VIA BROADCAST MEDIA. TIME ESTIMATED VIA RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 9, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 112 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
- 851 J/kg
- Mixed-layer CIN
- -361 J/kg
- Mixed-layer LCL
- 1736 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
222
WUUS53 KBIS 092229
SVRBIS
NDC043-103-092315-
/O.NEW.KBIS.SV.W.0123.210809T2229Z-210809T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
529 PM CDT Mon Aug 9 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Southeastern Wells County in south central North Dakota...
North central Kidder County in south central North Dakota...
* Until 615 PM CDT.
* At 528 PM CDT, a severe thunderstorm was located 10 miles southeast
of Hurdsfield, or 29 miles south of Harvey, moving northeast at 25
mph.
HAZARD...Golf ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* Locations impacted include...
Fessenden and Cathay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
LAT...LON 4724 9972 4730 9993 4771 9968 4757 9926
4754 9926
TIME...MOT...LOC 2228Z 209DEG 22KT 4737 9975
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
TELKEN2 follow-up statements
649
WWUS53 KBIS 092242
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
542 PM CDT Mon Aug 9 2021
NDC043-092251-
/O.CAN.KBIS.SV.W.0123.000000T0000Z-210809T2315Z/
Kidder ND-
542 PM CDT Mon Aug 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KIDDER COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central and southeastern North Dakota.
LAT...LON 4753 9928 4733 9959 4733 9978 4741 9987
4771 9968 4757 9926 4754 9926
TIME...MOT...LOC 2241Z 209DEG 22KT 4744 9969
$$
NDC103-092315-
/O.CON.KBIS.SV.W.0123.000000T0000Z-210809T2315Z/
Wells ND-
542 PM CDT Mon Aug 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHEASTERN WELLS COUNTY...
At 541 PM CDT, a severe thunderstorm was located 11 miles east of
Hurdsfield, or 25 miles southeast of Harvey, moving northeast at 25
mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Fessenden, Cathay, Bowdon, Sykeston, Chaseley, Emrick and Heaton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4753 9928 4733 9959 4733 9978 4741 9987
4771 9968 4757 9926 4754 9926
TIME...MOT...LOC 2241Z 209DEG 22KT 4744 9969
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TELKEN768
WWUS53 KBIS 092250
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
550 PM CDT Mon Aug 9 2021
NDC103-092315-
/O.CON.KBIS.SV.W.0123.000000T0000Z-210809T2315Z/
Wells ND-
550 PM CDT Mon Aug 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHEASTERN WELLS COUNTY...
At 550 PM CDT, a severe thunderstorm was located 11 miles south of
Fessenden, or 23 miles southeast of Harvey, moving northeast at 25
mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Fessenden, Cathay, Bowdon, Sykeston, Emrick and Heaton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 4753 9928 4733 9959 4739 9972 4750 9979
4755 9976 4770 9966 4757 9926 4754 9926
TIME...MOT...LOC 2250Z 209DEG 22KT 4749 9965
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TELKENThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 10:10 PM CDT | Special Weather Statement | BIS | Golden Valley, Slope | 50 min |
| Aug 9, 3:55 AM CDT | Fire Weather Watch | BIS | Adams, Bowman, Hettinger, Slope | 24 hr |
| Aug 9, 2:15 PM CDT | Special Weather Statement | BIS | Ward | 45 min |
| Aug 9, 2:49 PM CDT | Special Weather Statement | BIS | Renville | 41 min |
| Aug 9, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 52 min |
| Aug 9, 5:53 PM CDT | Special Weather Statement | BIS | Rolette | 37 min |
| Aug 9, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 43 min |
| Aug 9, 6:10 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 35 min |
| Aug 9, 6:43 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 47 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.