Alert archive / Arkansas / Special Weather Statements in 2015
Special Weather Statement, NWS Memphis, TN
NWS Memphis, TN issued this special weather statement at May 11, 2015, 2:08 AM CDT for Clay County, Lawrence County, Randolph County, Arkansas. It was in force for 52 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
- May 11, 2015, 2:08 AM CDT (07:08 UTC)
- Expired
- May 11, 2015, 3:00 AM CDT
- In force
- 52 min
- Issued by
- NWS Memphis, TN
Counties Clay County, AR, Lawrence County, AR, Randolph County, AR
The radar
The Memphis radar (KNQA), 142 km from the middle of the area, began a volume at 07:10 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
Little Rock, AR (KBYH), launched 00:00Z, 7.1 hours before the alert went out and 184 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
- 1115 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
184
WWUS84 KMEG 110708
SPSMEG
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
208 AM CDT MON MAY 11 2015
ARZ008-009-017-018-110800-
RANDOLPH AR-GREENE AR-CLAY AR-LAWRENCE AR-
208 AM CDT MON MAY 11 2015
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL UNTIL 300 AM CDT FOR...
RANDOLPH COUNTY IN EASTERN ARKANSAS...
WESTERN GREENE COUNTY IN EASTERN ARKANSAS...
WESTERN CLAY COUNTY IN EASTERN ARKANSAS...
LAWRENCE COUNTY IN EASTERN ARKANSAS...
AT 208 AM CDT...A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR
LARGER AND WINDS AT LEAST 40 MPH WAS LOCATED OVER BIGGERS...OR 8
MILES NORTHEAST OF POCAHONTAS...MOVING NORTHEAST AT 30 MPH.
PEOPLE IN RANDOLPH...WESTERN GREENE...WESTERN CLAY AND LAWRENCE
COUNTIES SHOULD MONITOR THIS STORM CLOSELY.
LAT...LON 3650 9033 3627 9046 3613 9065 3597 9073
3597 9085 3588 9087 3589 9136 3623 9135
3624 9126 3633 9126 3642 9131 3642 9135
3647 9136 3650 9141
TIME...MOT...LOC 0708Z 208DEG 26KT 3633 9084
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 1:24 AM CDT | Special Weather Statement | MEG | Lawrence, Randolph | 51 min |
| May 11, 2:03 AM CDT | Flash Flood Warning | MEG | Lawrence, Randolph | 7 hr |
| May 11, 3:51 AM CDT | Flash Flood Warning | MEG | Clay, Craighead, Greene | 3 hr |
| May 11, 5:55 AM CDT | Special Weather Statement | MEG | Cross, Lee, St. Francis | 35 min |
| May 11, 6:31 AM CDT | Special Weather Statement | MEG | Crittenden | 29 min |
Nearby
Special Weather Statements in Arkansas, 2015Every special weather statement in 2015
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.