Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 232, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 24, 2017, 7:59 PM CDT for 4 counties in Nebraska. It was in force for 46 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
- Aug 24, 2017, 7:59 PM CDT (00:59 UTC)
- Expired
- Aug 24, 2017, 8:45 PM CDT
- In force
- 46 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Garfield County, NE, Holt County, NE, Loup County, NE, Rock County, NE
The radar
The North Platte radar (KLNX), 125 km from the middle of the area, began a volume at 01:03 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.0 hours before the alert went out and 172 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
- 1741 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1673 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
856
WUUS53 KLBF 250059
SVRLBF
NEC071-089-115-149-250145-
/O.NEW.KLBF.SV.W.0232.170825T0059Z-170825T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
759 PM CDT THU AUG 24 2017
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Southeastern Rock County in north central Nebraska...
Northeastern Loup County in north central Nebraska...
Northwestern Garfield County in north central Nebraska...
Southwestern Holt County in north central Nebraska...
* Until 845 PM CDT
* At 758 PM CDT, a severe thunderstorm was located 7 miles west of
Amelia, or 28 miles southwest of O'neill, moving west at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Amelia and Carson Lake.
This includes Highway 183 near mile marker 161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4221 9885 4195 9929 4227 9953 4235 9896
TIME...MOT...LOC 0058Z 068DEG 14KT 4224 9911
HAIL...1.00IN
WIND...60MPH
$$
CDC2 follow-up statements
281
WWUS53 KLBF 250117
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
817 PM CDT THU AUG 24 2017
NEC071-089-115-149-250145-
/O.CON.KLBF.SV.W.0232.000000T0000Z-170825T0145Z/
Rock NE-Loup NE-Garfield NE-Holt NE-
817 PM CDT THU AUG 24 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHEASTERN ROCK...NORTHEASTERN LOUP...NORTHWESTERN GARFIELD AND
SOUTHWESTERN HOLT COUNTIES...
At 817 PM CDT, a severe thunderstorm was located 12 miles west of
Amelia, or 30 miles north of Burwell, moving west at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Carson Lake.
This includes Highway 183 near mile marker 161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4213 9899 4195 9929 4227 9953 4233 9912
TIME...MOT...LOC 0117Z 068DEG 14KT 4221 9921
HAIL...1.00IN
WIND...60MPH
$$
CDC792
WWUS53 KLBF 250140
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
840 PM CDT THU AUG 24 2017
NEC071-089-115-149-250150-
/O.EXP.KLBF.SV.W.0232.000000T0000Z-170825T0145Z/
Rock NE-Loup NE-Garfield NE-Holt NE-
840 PM CDT THU AUG 24 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ROCK...
NORTHEASTERN LOUP...NORTHWESTERN GARFIELD AND SOUTHWESTERN HOLT
COUNTIES WILL EXPIRE AT 845 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire. However small hail,
gusty winds and heavy rain are still possible with this thunderstorm.
LAT...LON 4213 9899 4195 9929 4227 9953 4233 9912
TIME...MOT...LOC 0140Z 068DEG 14KT 4218 9932
$$
CDCThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 7:02 PM CDT | Special Weather Statement | LBF | Holt | 43 min |
| Aug 24, 7:34 PM CDT | Special Weather Statement | LBF | Holt | 41 min |
| Aug 24, 7:38 PM CDT | Special Weather Statement | LBF | Blaine | 52 min |
| Aug 24, 8:26 PM CDT | Areal Flood Advisory | LBF | Blaine, Brown, Holt, Loup, Rock | 2 hr |
| Aug 24, 8:32 PM CDT | Special Weather Statement | LBF | Loup | 43 min |
| Aug 24, 8:42 PM CDT | Special Weather Statement | LBF | Loup | 48 min |
| Aug 24, 9:17 PM CDT | Special Weather Statement | LBF | Blaine, Loup | 43 min |
| Aug 24, 9:54 PM CDT | Special Weather Statement | LBF | Blaine, Loup | 51 min |
| Aug 24, 9:56 PM CDT | Areal Flood Advisory | LBF | Blaine, Loup | 2 hr |
| Aug 24, 10:43 PM CDT | Special Weather Statement | LBF | Blaine, Loup | 47 min |
| Aug 24, 11:34 PM CDT | Special Weather Statement | LBF | Loup | 41 min |
| Aug 25, 12:00 AM CDT | Areal Flood Advisory | LBF | Blaine, Loup | 3 hr |
| Aug 25, 5:02 PM CDT | Special Weather Statement | LBF | Keya Paha | 43 min |
| Aug 25, 5:38 PM CDT | Special Weather Statement | LBF | Cherry | 52 min |
| Aug 25, 5:40 PM CDT | Special Weather Statement | LBF | Keya Paha | 50 min |
| Aug 25, 6:22 PM CDT | Severe Thunderstorm Warning | LBF | Keya Paha | 38 min |
| Aug 25, 6:30 PM CDT | Special Weather Statement | LBF | Keya Paha | 15 min |
| Aug 25, 6:36 PM CDT | Special Weather Statement | LBF | Chase | 39 min |
| Aug 25, 6:38 PM CDT | Severe Thunderstorm Warning | LBF | Keya Paha | 22 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2017Every severe thunderstorm warning in 2017
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.