How to Decode the FRH Guidance
ZCZC NMCFRHT82
FOUM82 KWBC 030000
OUTPUT FROM NGM 00Z DEC 03 97
TTPTTR1R2R3 VVVLI PSDDFF HHT1T3T5
TUL//909140 04010 151209 49070300
06012979650 02103 151809 46060400
12003977033 -3003 153013 42060398
18000776316 00008 183112 40060096
24000595516 00210 183118 38059996
30000524007 -1412 203216 36030096
36000432718 -1614 162618 43040398
42000382633 -1117 173114 46070000
48000383429 -1519 173322 42060097
STATION ID TUL -- Tulsa, Oklahoma
TT: FORECAST PROJECTION 06 HRS
PTT: 6-HOUR ACCUMULATED PRECIPIATION 0.12 IN
(HUNDREDTHS OF INCHES)
R1: RELATIVE HUMIDITY % OF MODEL LAYER 1 97%
(APPROXIMATELY 35 MB)
R2: RELATIVE HUMIDITY % OF MODEL LAYERS 2-9 96%
(APPROXIMATELY 35 - 500 MB)
R3: RELATIVE HUMIDITY % OF MODEL LAYERS 10-13 50%
(APPROXIMATELY 500 MB TO TROPOPAUSE)
VVV: VERTICAL VELOCITY (TENTHS OF B/SEC AT 700 MB) +2.1 uB/SEC
POSITIIVE NUMBERS DENOTE RISING AIR
NEGATVIE VALUES DENOTE SUBSIDENCE
LI: FOUR LAYER LIFTED INDEX �C 3�C
NEGATIVE VALUES ARE ADDED TO ONE HUNDRED
PS: SEA LEVEL PRESSURE MB 1015.1 MB
LEADING 9 OR 10 IS NOT CODED
DDFF: WIND DIRECTION (TENS OF DEGREES) AND SPEED (KNOTS) 180� 9 KTS
IN FIRST MODEL LAYER
HH: 1000-500 MB THICKNESS (DECAMETERS) 546 DM
LEADING 4 OR 5 IS NOT ENCODED
T1: TEMPERATURE �C OF MODEL LAYER 1 6�C
APPROXIMATELY 35 MB IN THICKNESS
NEGATIVE VALUES ARE ADDED TO 100
T3: TEMPERATURE �C OF MODEL LAYER 3 4�C
APPROXIMATELY AT 900 MB
NEGATIVE VALUES ARE ADDED TO 100
T5: TEMPERATURE �C OF MODEL LAYER 5 0�C
APPROXIMATELY AT 800 MB
NEGATIVE VALUES ARE ADDED TO 100
National Weather Service
Mobile/Pensacola Weather Forecast Office
(251) 633-6443
sr-mob.webmaster@noaa.gov
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