Alert archive / Nebraska / Special Weather Statements in 2020

Special Weather Statement, NWS North Platte, NE

July 20, 2020Loup County, Nebraska

NWS North Platte, NE issued this special weather statement at Jul 20, 2020, 2:01 AM CDT for Loup County, Nebraska. It was in force for 44 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
Jul 20, 2020, 2:01 AM CDT (07:01 UTC)
Expired
Jul 20, 2020, 2:45 AM CDT
In force
44 min
Issued by
NWS North Platte, NE

County Loup County, NE

The radar

The North Platte radar (KLNX), 71 km from the middle of the area, began a volume at 07:05 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, 7.0 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2020-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 817 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, N. Platte/Lee Bi, NE at 00:00Z on 2020-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
817 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1736 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.2
Supercell composite
7.5

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 Jul 20, 12:42 AM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Jul 20, 12:42 AM CDT, 1 hour 19 minutes before
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Hazardous weather outlook, Jul 19, 11:51 PM CDT, 2 hours 10 minutes before
Hazardous Weather Outlook
National Weather Service North Platte NE
1151 PM CDT Sun Jul 19 2020

NEZ004>010-022>029-035>038-056>059-069>071-094-210500-
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-
1151 PM CDT Sun Jul 19 2020 /1051 PM MDT Sun Jul 19 2020/

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

.DAY ONE...TONIGHT.

Isolated to scattered thunderstorm will continue tonight, some
storms may be strong to severe with hail, gusty winds and heavy
rainfall being the main hazards. Localized minor flooding is
possible.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

Thunderstorms are possible Monday through Thursday. There is a
risk for a few severe thunderstorms Monday, especially across
northwest Nebraska. Later outlooks will evaluate the threat for
severe storms the remainder of the week.

.SPOTTER INFORMATION STATEMENT...

Spotter are encouraged to relay any severe weather report to the
National Weather Service in North Platte.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

In the hours before

Special weather statement, Jul 20, 12:16 AM CDT, 1 hour 45 minutes before
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Special weather statement, Jul 20, 12:47 AM CDT, 1 hour 14 minutes before
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Special weather statement, Jul 20, 12:57 AM CDT, 1 hour 4 minutes before
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Special weather statement, Jul 20, 1:33 AM CDT, 28 minutes before
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Special weather statement, Jul 20, 1:34 AM CDT, 27 minutes before
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Special weather statement, Jul 20, 2:01 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:23 PM CDTSpecial Weather StatementLBFMcPherson52 min
Jul 19, 7:25 PM CDTSpecial Weather StatementLBFKeith50 min
Jul 19, 7:38 PM CDTSevere Thunderstorm WarningLBFHooker, Logan, McPherson, Thomas52 min
Jul 19, 7:47 PM CDTSevere Thunderstorm WarningLBFChase, Perkins43 min
Jul 19, 7:53 PM CDTSpecial Weather StatementLBFGarden52 min
Jul 19, 8:14 PM CDTSevere Thunderstorm WarningLBFDeuel, Garden, Keith46 min
Jul 19, 8:18 PM CDTTornado WarningLBFMcPherson33 min
Jul 19, 8:19 PM CDTSpecial Weather StatementLBFKeya Paha41 min
Jul 19, 8:30 PM CDTSevere Thunderstorm WarningLBFChase45 min
Jul 19, 8:34 PM CDTSpecial Weather StatementLBFGarden41 min
Jul 19, 8:35 PM CDTSevere Thunderstorm WarningLBFLincoln, McPherson40 min
Jul 19, 8:40 PM CDTAreal Flood AdvisoryLBFGarden, Keith3 hr
Jul 19, 9:00 PM CDTSpecial Weather StatementLBFBoyd, Rock45 min
Jul 19, 9:12 PM CDTSpecial Weather StatementLBFSheridan33 min
Jul 19, 9:14 PM CDTSpecial Weather StatementLBFSheridan31 min
Jul 19, 9:25 PM CDTSpecial Weather StatementLBFLincoln35 min
Jul 19, 9:29 PM CDTSevere Thunderstorm WarningLBFCherry, Sheridan46 min
Jul 19, 9:44 PM CDTSpecial Weather StatementLBFSheridan31 min
Jul 19, 10:28 PM CDTSpecial Weather StatementLBFSheridan32 min
Jul 19, 10:46 PM CDTSevere Thunderstorm WarningLBFCherry, Sheridan44 min
Jul 19, 10:53 PM CDTSpecial Weather StatementLBFGrant52 min
Jul 19, 11:11 PM CDTSpecial Weather StatementLBFBrown49 min
Jul 19, 11:15 PM CDTSpecial Weather StatementLBFLincoln30 min
Jul 19, 11:39 PM CDTSpecial Weather StatementLBFHooker36 min
Jul 19, 11:49 PM CDTSevere Thunderstorm WarningLBFCherry, Hooker, Thomas41 min
Jul 20, 12:09 AM CDTSevere Thunderstorm WarningLBFHooker, Logan, McPherson, Thomas51 min
Jul 20, 12:16 AM CDTSpecial Weather StatementLBFBrown29 min
Jul 20, 12:47 AM CDTSpecial Weather StatementLBFLoup43 min
Jul 20, 12:57 AM CDTSpecial Weather StatementLBFKeya Paha48 min
Jul 20, 1:33 AM CDTSpecial Weather StatementLBFGarfield42 min
Jul 20, 1:34 AM CDTSpecial Weather StatementLBFRock41 min
Jul 20, 2:17 AM CDTSpecial Weather StatementLBFWheeler28 min
Jul 20, 2:50 AM CDTAreal Flood AdvisoryLBFHolt, Rock3 hr
Jul 20, 2:47 PM CDTSpecial Weather StatementLBFKeith43 min
Jul 20, 3:46 PM CDTSpecial Weather StatementLBFMcPherson29 min
Jul 20, 3:57 PM CDTSpecial Weather StatementLBFMcPherson33 min
Jul 20, 3:59 PM CDTSpecial Weather StatementLBFArthur31 min
Jul 20, 4:05 PM CDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson40 min
Jul 20, 4:12 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln48 min
Jul 20, 4:17 PM CDTSevere Thunderstorm WarningLBFArthur43 min
Jul 20, 4:29 PM CDTSpecial Weather StatementLBFHooker, McPherson31 min
Jul 20, 4:49 PM CDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson41 min
Jul 20, 4:55 PM CDTSevere Thunderstorm WarningLBFHooker50 min
Jul 20, 4:59 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln46 min
Jul 20, 5:01 PM CDTSevere Thunderstorm WarningLBFArthur, Keith44 min
Jul 20, 5:17 PM CDTSevere Thunderstorm WarningLBFArthur, Keith28 min
Jul 20, 5:19 PM CDTSevere Thunderstorm WarningLBFCherry, Hooker, Thomas41 min
Jul 20, 5:45 PM CDTSevere Thunderstorm WarningLBFArthur, Garden, Keith, McPherson45 min
Jul 20, 5:51 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln39 min
Jul 20, 6:03 PM CDTAreal Flood AdvisoryLBFKeith, Lincoln3 hr
Jul 20, 6:04 PM CDTSevere Thunderstorm WarningLBFCherry, Hooker, Thomas25 min
Jul 20, 6:27 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins48 min
Jul 20, 6:32 PM CDTSevere Thunderstorm WarningLBFLincoln43 min
Jul 20, 6:33 PM CDTSevere Thunderstorm WarningLBFCherry42 min
Jul 20, 6:35 PM CDTSpecial Weather StatementLBFSheridan40 min
Jul 20, 6:54 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes, Lincoln51 min
Jul 20, 6:55 PM CDTSpecial Weather StatementLBFGrant35 min

Nearby

Special Weather Statements in Nebraska, 2020Every special weather statement in 2020

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.