Alert archive / Nebraska / Special Weather Statements in 2023

Special Weather Statement, NWS North Platte, NE

August 1, 2023Sheridan County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 1, 2023, 7:10 PM MDT for Sheridan County, Nebraska. It was in force for 50 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 1, 2023, 7:10 PM MDT (01:10 UTC)
Expired
Aug 1, 2023, 8:00 PM MDT
In force
50 min
Issued by
NWS North Platte, NE
Hail
0.75 in
Wind
55

County Sheridan County, NE

The radar

The Rapid City radar (KUDX), 160 km from the middle of the area, began a volume at 01:10 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

Rapid City, SD (KUNR), launched 00:00Z, 1.2 hours before the alert went out and 155 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, Rapid City, SD at 00:00Z on 2023-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 864 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2023-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.193958Sfc1 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
864 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1857 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before this special weather statement went out at Aug 1, 5:25 PM MDT, 1 hour 45 minutes earlier.

Area forecast discussion, Aug 1, 5:25 PM MDT, 1 hour 45 minutes before
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</head>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 1, 2:19 PM MDT, 4 hours 51 minutes before
Hazardous Weather Outlook
National Weather Service North Platte NE
319 PM CDT Tue Aug 1 2023

NEZ004>010-022>029-035>038-056>059-069>071-094-022030-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
319 PM CDT Tue Aug 1 2023 /219 PM MDT Tue Aug 1 2023/

This Hazardous Weather Outlook is for portions of western and north
central Nebraska.

.DAY ONE...Tonight.

Thunderstorms will be possible later this evening into the overnight
hours across a large portion of western and north central Nebraska.
At this time, the main severe threat is over southwestern Nebraska
where strong winds and hail up to the size of quarters are the main
threats. In addition, heavy rain may also be a threat over
southwestern Nebraska.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Thunderstorms will be possible during the late afternoon, into the
evening hours Wednesday through Monday. On Thursday, there is a
marginal threat for severe storms mainly west of a line from
Valentine to North Platte. Severe storms are also possible on
Saturday across a large portion of western and north central
Nebraska.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight. Reports of severe weather
tonight are greatly appreciated.

CLB

In the hours before

Special weather statement, Aug 1, 7:10 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service North Platte NE
710 PM MDT Tue Aug 1 2023

NEZ004-094-020200-
Sheridan NE-Western Cherry NE-
710 PM MDT Tue Aug 1 2023

...A strong thunderstorm will impact portions of west central Cherry
and northeastern Sheridan Counties through 800 PM MDT...

At 709 PM MDT, Doppler radar was tracking a strong thunderstorm over
Gordon, moving southeast at 10 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Gordon, Clinton, Rock Hill, Bayonne and Intersection of Highway 27
and Mills Road.

This includes Highway 20 between mile markers 98 and 119.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4276 10237 4287 10229 4283 10191 4259 10209
TIME...MOT...LOC 0109Z 298DEG 9KT 4282 10225

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 8:37 PM MDTAreal Flood AdvisoryLBFCherry49 min
Aug 1, 8:58 PM MDTSpecial Weather StatementLBFCherry47 min
Aug 1, 9:26 PM MDTFlash Flood WarningLBFCherry2 hr
Aug 1, 9:38 PM MDTSpecial Weather StatementLBFCherry52 min
Aug 1, 9:46 PM MDTSpecial Weather StatementLBFDeuel44 min
Aug 1, 10:25 PM MDTSpecial Weather StatementLBFGarden50 min
Aug 1, 10:34 PM MDTSpecial Weather StatementLBFSheridan41 min
Aug 1, 11:06 PM MDTSpecial Weather StatementLBFKeith39 min
Aug 1, 11:24 PM MDTSpecial Weather StatementLBFFrontier51 min
Aug 1, 11:39 PM MDTFlash Flood WarningLBFFrontier5 hr
Aug 1, 11:52 PM MDTAreal Flood AdvisoryLBFDeuel, Keith3 hr
Aug 1, 11:56 PM MDTSpecial Weather StatementLBFKeith49 min
Aug 2, 12:09 AM MDTSpecial Weather StatementLBFSheridan51 min
Aug 2, 12:16 AM MDTSpecial Weather StatementLBFArthur29 min
Aug 2, 1:09 AM MDTAreal Flood AdvisoryLBFCherry5 hr
Aug 2, 1:13 AM MDTSpecial Weather StatementLBFHooker32 min
Aug 2, 1:39 AM MDTSpecial Weather StatementLBFCherry, Hooker51 min
Aug 2, 2:35 AM MDTSpecial Weather StatementLBFCherry40 min
Aug 2, 3:58 PM MDTSpecial Weather StatementLBFDeuel47 min
Aug 2, 4:27 PM MDTSpecial Weather StatementLBFGarden18 min
Aug 2, 4:39 PM MDTAreal Flood AdvisoryLBFDeuel, Garden3 hr
Aug 2, 4:46 PM MDTSpecial Weather StatementLBFGarden44 min
Aug 2, 5:47 PM MDTSpecial Weather StatementLBFGarden58 min

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.