Alert archive / Nebraska / Special Weather Statements in 2021
Special Weather Statement, NWS North Platte, NE
NWS North Platte, NE issued this special weather statement at Jul 18, 2021, 6:03 AM CDT for Blaine County, Nebraska. It was in force for 42 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 18, 2021, 6:03 AM CDT (11:03 UTC)
- Expired
- Jul 18, 2021, 6:45 AM CDT
- In force
- 42 min
- Issued by
- NWS North Platte, NE
County Blaine County, NE
The radar
The North Platte radar (KLNX), 41 km from the middle of the area, began a volume at 11:03 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, 11.1 hours before the alert went out and 83 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
- 1059 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1662 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.9
The text
As transmitted.
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</html>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 18, 4:05 AM CDT, 1 hour 58 minutes earlier.
Area forecast discussion, Jul 18, 4:05 AM CDT, 1 hour 58 minutes before
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Special weather statement, Jul 18, 12:11 AM CDT, 5 hours 52 minutes before
Special Weather Statement National Weather Service North Platte NE 1111 PM MDT Sat Jul 17 2021 NEZ022-180600- Garden NE- 1111 PM MDT Sat Jul 17 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN GARDEN COUNTY UNTIL MIDNIGHT MDT... At 1111 PM MDT, Doppler radar was tracking a strong thunderstorm near Lisco, or 12 miles northwest of Oshkosh, moving southeast at 15 mph. Nickel size hail will be possible with this storm. Locations impacted include... Oshkosh, Intersection of Highway 27 and 9 Mile Road and Sugar Loaf Hill. LAT...LON 4155 10259 4162 10252 4148 10213 4127 10235 TIME...MOT...LOC 0511Z 309DEG 13KT 4154 10250 Jacobs
Special weather statement, Jul 18, 1:00 AM CDT, 5 hours 3 minutes before
Special Weather Statement National Weather Service North Platte NE 1200 AM MDT Sun Jul 18 2021 NEZ022-057-180645- Garden NE-Keith NE- 1200 AM MDT Sun Jul 18 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN KEITH AND SOUTHEASTERN GARDEN COUNTIES UNTIL 1245 AM MDT... At 1159 PM MDT, Doppler radar was tracking a strong thunderstorm near Oshkosh, moving southeast at 15 mph. Pea size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Oshkosh, Lewellen, Ash Hollow State Historical Park and Bluewater Battlefield State Historical Park. LAT...LON 4148 10248 4155 10226 4135 10191 4123 10228 TIME...MOT...LOC 0559Z 314DEG 15KT 4144 10230 Jacobs
Special weather statement, Jul 18, 1:53 AM CDT, 4 hours 10 minutes before
Special Weather Statement
National Weather Service North Platte NE
1253 AM MDT Sun Jul 18 2021
NEZ056>058-180745-
Deuel NE-Perkins NE-Keith NE-
1253 AM MDT Sun Jul 18 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PERKINS...
SOUTHWESTERN KEITH AND EASTERN DEUEL COUNTIES UNTIL 145 AM MDT...
At 1252 AM MDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Big Springs, moving southeast at 30 mph.
Pea size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Big Springs, Brule, Goldeneye State Wildlife Management Area, Wild
Horse Spring and Megeath.
LAT...LON 4125 10189 4090 10156 4089 10205 4091 10206
4100 10205 4100 10212 4119 10223
TIME...MOT...LOC 0652Z 324DEG 25KT 4116 10207
JacobsSpecial weather statement, Jul 18, 6:03 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:11 AM CDT | Special Weather Statement | LBF | Garden | 49 min |
| Jul 18, 1:00 AM CDT | Special Weather Statement | LBF | Garden | 45 min |
| Jul 18, 1:53 AM CDT | Special Weather Statement | LBF | Keith | 52 min |
Nearby
Special Weather Statements in Nebraska, 2021Every special weather statement in 2021
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.