Alert archive / Nebraska / Heat Advisories in 2017
Heat Advisory 1, NWS North Platte, NE
NWS North Platte, NE issued this heat advisory at Jul 11, 2017, 2:57 AM MDT for 5 counties in Nebraska. It took effect at Jul 11, 2017, 12:00 PM MDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 11, 2017, 2:57 AM MDT (08:57 UTC)
- In effect from
- Jul 11, 2017, 12:00 PM MDT
- Expired
- Jul 11, 2017, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS North Platte, NE
Counties Chase County, NE, Custer County, NE, Frontier County, NE, Hayes County, NE, Lincoln County, NE
The radar
The North Platte radar (KLNX), 129 km from the middle of the area, began a volume at 08:58 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, 9.0 hours before the alert went out and 38 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
- 2186 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 2008 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.4
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jul 11, 2:48 AM MDT, 9 minutes earlier.
Area forecast discussion, Jul 11, 2:48 AM MDT, 9 minutes before
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</html>Hazardous weather outlook, Jul 10, 4:01 PM MDT, 10 hours 56 minutes before
Hazardous Weather Outlook National Weather Service North Platte NE 501 PM CDT Mon Jul 10 2017 NEZ004>010-022>029-035>038-056>059-069>071-094-112215- 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- 501 PM CDT Mon Jul 10 2017 /401 PM MDT Mon Jul 10 2017/ This Hazardous Weather Outlook is for portions of western and north central Nebraska. .DAY ONE...TONIGHT. As a warm front slowly lifts north across southwest Nebraska tonight. There is some potential for stronger, organized thunderstorm activity along and north of the front this evening. The area of concern is near and north of a line from Grant through Curtis. The main concerns will be strong thunderstorm wind gusts of 50 mph or greater, and hail up to nickel size. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. The next chance for organized thunderstorms will arrive Wednesday and Wednesday night. For Thursday and beyond, an upper level ridge will build across the region, with only isolated thunderstorms possible, mainly during the late afternoon and evening hours. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. && Get your weather, hydrological, and climate information at http://www.weather.gov/northplatte Taylor
In the hours before
Special weather statement, Jul 10, 9:28 PM MDT, 5 hours 29 minutes before
Special Weather Statement National Weather Service North Platte NE 1028 PM CDT MON JUL 10 2017 NEZ036-057-059-110415- McPherson NE-Lincoln NE-Keith NE- 1028 PM CDT MON JUL 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN KEITH...NORTHWESTERN LINCOLN AND SOUTH CENTRAL MCPHERSON COUNTIES UNTIL 1115 PM CDT/1015 PM MDT/... At 1026 PM CDT/926 PM MDT/, Doppler radar was tracking a strong thunderstorm near Sarben, or 25 miles east of Ogallala, moving east at 30 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Sutherland, Paxton, Sarben, Coker, Big Bald Hill and Nevens. This includes Highway 97 between mile markers 2 and 18. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. If on or near Sutherland Reservoir, get out of the water and move indoors or inside a vehicle. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4111 10146 4132 10152 4146 10090 4121 10077 TIME...MOT...LOC 0326Z 253DEG 26KT 4125 10127 Snively
Special weather statement, Jul 10, 9:35 PM MDT, 5 hours 22 minutes before
Special Weather Statement National Weather Service North Platte NE 1035 PM CDT MON JUL 10 2017 NEZ024-025-036-037-110415- Hooker NE-McPherson NE-Thomas NE-Logan NE- 1035 PM CDT MON JUL 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HOOKER... NORTHWESTERN LOGAN...NORTHEASTERN MCPHERSON AND SOUTHWESTERN THOMAS COUNTIES UNTIL 1115 PM CDT/1015 PM MDT/... At 1035 PM CDT/935 PM MDT/, Doppler radar was tracking a strong thunderstorm near Tryon, moving northeast at 40 mph. Wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Tryon, Shimmons Lake and Highway 83 crossing The Dismal River. This includes the following highways... Highway 92 between mile markers 197 and 206. Highway 97 between mile markers 32 and 48. Highway 83 between mile markers 124 and 132. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4194 10067 4166 10043 4150 10106 4171 10119 TIME...MOT...LOC 0335Z 246DEG 33KT 4162 10102 ET
Special weather statement, Jul 10, 9:51 PM MDT, 5 hours 6 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 10, 7:02 PM MDT | Special Weather Statement | LBF | Deuel | 43 min |
| Jul 10, 7:19 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Garden | 41 min |
| Jul 10, 7:45 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Garden | 45 min |
| Jul 10, 8:17 PM MDT | Special Weather Statement | LBF | Blaine, Loup | 43 min |
| Jul 10, 8:22 PM MDT | Special Weather Statement | LBF | Arthur | 23 min |
| Jul 10, 8:38 PM MDT | Special Weather Statement | LBF | Keith | 52 min |
| Jul 10, 8:54 PM MDT | Special Weather Statement | LBF | Garfield, Loup, Wheeler | 51 min |
| Jul 10, 8:59 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, McPherson | 46 min |
| Jul 10, 9:28 PM MDT | Special Weather Statement | LBF | McPherson | 47 min |
| Jul 10, 9:35 PM MDT | Special Weather Statement | LBF | McPherson | 40 min |
| Jul 10, 9:39 PM MDT | Severe Thunderstorm Warning | LBF | Wheeler | 25 min |
| Jul 10, 9:51 PM MDT | Special Weather Statement | LBF | Rock | 39 min |
| Jul 10, 9:54 PM MDT | Special Weather Statement | LBF | Garfield, Wheeler | 51 min |
| Jul 10, 10:35 PM MDT | Special Weather Statement | LBF | Holt | 40 min |
| Jul 11, 5:25 PM MDT | Special Weather Statement | LBF | Hayes | 50 min |
Nearby
Heat Advisories in Nebraska, 2017Every heat advisory 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.