Alert archive / Nebraska / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 21, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 24, 2010, 11:48 AM MDT for Box Butte County, Dawes County, Sioux County, Nebraska. It was in force for 57 min. 2 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
- May 24, 2010, 11:48 AM MDT (17:48 UTC)
- Expired
- May 24, 2010, 12:45 PM MDT
- In force
- 57 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Box Butte County, NE, Dawes County, NE, Sioux County, NE
The radar
The Cheyenne radar (KCYS), 181 km from the middle of the area, began a volume at 17:52 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 |
|---|---|---|---|
| May 24, 11:50 AM MDT | HAIL 1 | 10 Ne Harrison, NE | |
| May 24, 12:20 PM MDT | HAIL 1 | S Agate, NE | 1 INCH HAIL JUST SOUTH OF AGATE ALONG HIGHWAY 29. |
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 |
|---|---|---|---|
| May 24, 11:21 AM MDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 5.8 hours before the alert went out and 183 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
812
WUUS55 KCYS 241748
SVRCYS
NEC013-045-165-241845-
/O.NEW.KCYS.SV.W.0021.100524T1748Z-100524T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
1148 AM MDT MON MAY 24 2010
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN BOX BUTTE COUNTY IN THE PANHANDLE OF NEBRASKA...
SOUTHWESTERN DAWES COUNTY IN THE PANHANDLE OF NEBRASKA...
EASTERN SIOUX COUNTY IN THE PANHANDLE OF NEBRASKA...
* UNTIL 1245 PM MDT
* AT 1147 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
GERING...OR NEAR SCOTTSBLUFF...AND MOVING NORTH AT 75 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
RATTLESNAKE HILL AROUND NOON MDT.
GLEN AROUND 1230 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4292 10375 4272 10364 4251 10352 4253 10329
4199 10337 4201 10395
TIME...MOT...LOC 1748Z 182DEG 66KT 4186 10366
WIND...HAIL 60MPH 1.75IN
$$
RUBIN2 follow-up statements
694
WWUS55 KCYS 241823
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1223 PM MDT MON MAY 24 2010
NEC013-045-165-241845-
/O.CON.KCYS.SV.W.0021.000000T0000Z-100524T1845Z/
BOX BUTTE NE-DAWES NE-SIOUX NE-
1223 PM MDT MON MAY 24 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
SIOUX...SOUTHWESTERN DAWES AND WESTERN BOX BUTTE COUNTIES UNTIL 1245
PM MDT...
AT 1219 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES
EAST OF AGATE...OR 38 MILES NORTHEAST OF TORRINGTON...MOVING NORTH AT
65 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
GLEN AROUND 1230 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4292 10375 4272 10364 4251 10352 4253 10329
4199 10337 4201 10395
TIME...MOT...LOC 1824Z 182DEG 66KT 4252 10363
WIND...HAIL 60MPH 1.75IN
$$
RUBIN029
WWUS55 KCYS 241843
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1243 PM MDT MON MAY 24 2010
NEC013-045-165-241853-
/O.EXP.KCYS.SV.W.0021.000000T0000Z-100524T1845Z/
BOX BUTTE NE-DAWES NE-SIOUX NE-
1243 PM MDT MON MAY 24 2010
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SIOUX...SOUTHWESTERN
DAWES AND WESTERN BOX BUTTE COUNTIES IS BEING REISSUED...
PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 800 PM MDT.
LAT...LON 4292 10375 4272 10364 4251 10352 4253 10329
4199 10337 4201 10395
TIME...MOT...LOC 1843Z 182DEG 66KT 4287 10361
$$
RUBINThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 12:06 AM MDT | Areal Flood Advisory | CYS | Scotts Bluff, Sioux | 3 hr |
| May 24, 12:18 AM MDT | Areal Flood Advisory | CYS | Dawes, Sioux | 4 hr |
| May 24, 3:47 AM MDT | High Wind Warning | CYS | Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more | 16 hr |
| May 24, 11:12 AM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 16 min |
| May 24, 11:25 AM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball, Scotts Bluff | 65 min |
| May 24, 11:30 AM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 60 min |
| May 24, 11:33 AM MDT | Tornado Warning | CYS | Banner, Kimball | 42 min |
| May 24, 11:38 AM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 67 min |
| May 24, 11:54 AM MDT | Tornado Warning | CYS | Banner, Box Butte, Dawes, Scotts Bluff, Sioux | 66 min |
| May 24, 12:40 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Box Butte, Dawes, Scotts Bluff, Sioux | 65 min |
| May 24, 12:46 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 59 min |
| May 24, 12:48 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 42 min |
| May 24, 12:49 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Cheyenne, Kimball, Morrill, Scotts Bluff | 56 min |
| May 24, 1:40 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 65 min |
| May 24, 1:42 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes, Sioux | 63 min |
| May 24, 1:44 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes, Morrill | 61 min |
| May 24, 1:47 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 58 min |
| May 24, 1:51 PM MDT | Areal Flood Warning | CYS | Dawes, Sioux | 5 hr |
| May 24, 2:08 PM MDT | Tornado Warning | CYS | Box Butte, Dawes | 37 min |
| May 24, 2:44 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes | 61 min |
| May 24, 5:34 PM MDT | Areal Flood Warning | CYS | Dawes, Sioux | 8 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2010Every severe thunderstorm warning in 2010
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.