Alert archive / Nebraska / Special Weather Statements in 2023

Special Weather Statement, NWS North Platte, NE

October 11, 2023Keya Paha County, Nebraska

NWS North Platte, NE issued this special weather statement at Oct 11, 2023, 9:49 PM CDT for Keya Paha County, Nebraska. It was in force for 56 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
Oct 11, 2023, 9:49 PM CDT (02:49 UTC)
Expired
Oct 11, 2023, 10:45 PM CDT
In force
56 min
Issued by
NWS North Platte, NE
Hail
0.75 in
Wind
30

County Keya Paha County, NE

The radar

The North Platte radar (KLNX), 115 km from the middle of the area, began a volume at 02:51 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, 2.8 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2023-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 801 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2023-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
801 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1662 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

394 
WWUS83 KLBF 120249
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
949 PM CDT Wed Oct 11 2023
 
NEZ005-006-120345-
Eastern Cherry NE-Keya Paha NE-
949 PM CDT Wed Oct 11 2023

...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN CHERRY AND WESTERN
KEYA PAHA COUNTIES THROUGH 1045 PM CDT...

At 949 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Norden to 9 miles northeast of Johnstown
to 8 miles south of Springview. Movement was north at 15 mph.

HAZARD...Penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

Locations impacted include...
Springview, Norden, and Thomas Creek State Wildlife Management Area. 

This includes the following highways...
 Highway 183 between mile markers 209 and 225.
 Highway 12 between mile markers 23 and 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4274 9968 4277 9986 4284 10018 4300 10020
      4300 9962
TIME...MOT...LOC 0249Z 178DEG 15KT 4282 10011 4268 9995 4271 9969 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH

$$

CDC

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 11, 8:00 PM CDTSpecial Weather StatementLBFWheeler60 min
Oct 11, 8:30 PM CDTSpecial Weather StatementLBFHolt60 min
Oct 11, 8:40 PM CDTSpecial Weather StatementLBFRock50 min
Oct 11, 8:59 PM CDTSpecial Weather StatementLBFBrown61 min
Oct 11, 9:01 PM CDTSpecial Weather StatementLBFWheeler29 min
Oct 11, 9:25 PM CDTSpecial Weather StatementLBFKeya Paha35 min
Oct 11, 9:42 PM CDTSpecial Weather StatementLBFWheeler18 min
Oct 11, 9:46 PM CDTSpecial Weather StatementLBFHolt29 min
Oct 11, 9:58 PM CDTAreal Flood AdvisoryLBFHolt4 hr
Oct 11, 10:02 PM CDTAreal Flood AdvisoryLBFHolt, Wheeler54 min
Oct 11, 10:42 PM CDTSpecial Weather StatementLBFGarfield48 min
Oct 11, 10:56 PM CDTFlash Flood WarningLBFHolt, Wheeler2 hr
Oct 11, 11:37 PM CDTAreal Flood AdvisoryLBFHolt, Rock3 hr
Oct 11, 11:49 PM CDTSpecial Weather StatementLBFLincoln56 min
Oct 12, 12:58 AM CDTSpecial Weather StatementLBFSherman47 min
Oct 12, 1:04 AM CDTAreal Flood AdvisoryLBFHolt, Wheeler2 hr
Oct 12, 3:17 AM CDTHigh Wind WarningLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more36 hr
Oct 12, 3:45 AM CDTSpecial Weather StatementLBFMcPherson45 min
Oct 12, 11:35 AM CDTSpecial Weather StatementLBFRock40 min
Oct 12, 12:26 PM CDTSpecial Weather StatementLBFFrontier49 min
Oct 12, 12:49 PM CDTSevere Thunderstorm WarningLBFFrontier24 min
Oct 12, 12:51 PM CDTAreal Flood AdvisoryLBFCuster6 hr
Oct 12, 1:12 PM CDTSpecial Weather StatementLBFLincoln48 min
Oct 12, 1:39 PM CDTSpecial Weather StatementLBFLincoln51 min
Oct 12, 1:41 PM CDTSpecial Weather StatementLBFLincoln49 min
Oct 12, 1:42 PM CDTWinter Weather AdvisoryLBFSheridan13 hr
Oct 12, 1:51 PM CDTAreal Flood AdvisoryLBFBlaine, Custer, Loup6 hr
Oct 12, 2:46 PM CDTAreal Flood AdvisoryLBFBlaine, Custer, Loup5 hr
Oct 12, 2:57 PM CDTFlash Flood WarningLBFBlaine, Custer, Loup9 hr
Oct 12, 3:25 PM CDTAreal Flood AdvisoryLBFCuster, Garfield, Loup5 hr
Oct 12, 3:35 PM CDTAreal Flood AdvisoryLBFGarfield, Holt, Loup, Rock6 hr
Oct 12, 3:39 PM CDTAreal Flood AdvisoryLBFBoyd, Brown, Holt, Keya Paha, Rock6 hr
Oct 12, 3:58 PM CDTSpecial Weather StatementLBFGarfield47 min
Oct 12, 5:17 PM CDTAreal Flood AdvisoryLBFBrown, Cherry, Keya Paha6 hr

Nearby

Special Weather Statements in Nebraska, 2023Every special weather statement in 2023

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.